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PubMed2006

Estimating chronic disease deaths and hospitalizations due to alcohol use in Canada in 2002: implications for policy and prevention strategies.

INTRODUCTION: Alcohol consumption is a factor that increases risk of chronic disease. This study estimates various indicators of alcohol-attributable premature chronic-disease morbidity and mortality for Canada in 2002. METHODS: Information on mortality and morbidity was obtained from Statistics Canada and from the Canadian Institute for Health Information database. Data on alcohol use were obtained from the Canadian Addiction Survey and weighted for per capita consumption. Risk information was taken from published literature and combined with alcohol consumption information to calculate age- and sex-specific alcohol-attributable chronic disease morbidity and mortality. RESULTS: In Canada in 2002, there were 1631 chronic disease deaths among adults aged 69 years and younger attributed to alcohol consumption, and these deaths were 2.4% of the deaths in Canada for this age group. The net number of deaths comprised 2577 deaths caused and 947 deaths prevented by alcohol consumption. Moderate drinking was involved in 25% of deaths caused and 85% of deaths prevented by alcohol. There were 42,996 years of life lost prematurely in Canada due to alcohol consumption in 2002, 28,890 for men and 14,106 for women. In Canada in 2002, there were 91,970 net chronic disease hospitalizations attributed to alcohol consumption among individuals aged 69 years and younger. The net numbers were 124,621 hospitalizations caused and 32,651 hospitalizations prevented by alcohol consumption. CONCLUSION: With rising rates of alcohol consumption and extensive high-risk drinking, both chronic and acute damage from alcohol are expected to increase. Attention is needed to 1) create effective policies and interventions; 2) control access to alcohol; 3) reduce high-risk drinking; and 4) provide brief interventions for high-risk drinkers.

Adolescent↗
PubMed1975

[An analysis of the rise of health care costs in institutions in Canada and Quebec].

The author compares increases in institutional care costs in Quebec with the rest of Canada revealing the following: The 14 per cent annual increase reported by federal health minister Marc Lalonde is well above the increase in the Canadian population of 4 per cent. The 12 per cent rise in costs of Quebec health services is far above the increase in the population of 15 per cent. Therefore, population is not a major factor in cost increase. The rate of cost increase in Quebec is below the national rate, 12 per cent against 14 per cent. Cost of institutional care in dollars per capita is appreciably lower in Quebec than in the rest of Canada. The average increase in health care costs in Canada between 1970 and 1973 is actually above the average deseasonized increase rate of the gross national product (GNP). The average cost increase of institutional care remained, however, below the increase of the GNP in Canada. The increase in the number of patients admitted is far above the increase in population, in both Quebec and the other provinces, the difference being more important in Quebec than in the rest of Canada. Utilization has partly been possible through decrease in the average length of stay in both Quebec and the other provinces. The decrease in average length of stay is higher in other Canadian provinces than it is in Quebec. However, it is lower in Quebec for a day. The occupancy rate has consistantly been rising in Quebec while it remained stable in other provinces. The number of patients admitted per 1,000 population has remained much lower in Quebec as compared to the rest of Canda. The difference tends, however, to decrease. The number of institutional care facilities remains higher in other Canadian provinces than in Quebec in proportion to the population The number of visits in emergency units per 1,000 population has doubled in Quebec, as compared to the rest of Canada with half that increase. It would be interesting to establish the trend in institutional care for outpatient departments other than emergency units; complete data about this not as yet availble.

Canada↗
PubMed1993

Use of coronary artery bypass surgery in the United States and Canada. Influence of age and income.

OBJECTIVE: To compare overall rates of coronary artery bypass surgery (CABS) in several Canadian and US jurisdictions and to compare use by age and income groups in the two countries. DESIGN: Survey, using computerized hospital discharge abstracts. SETTING: All nonfederal hospitals in New York, California, Ontario, Manitoba, and British Columbia between 1983 and 1989. PATIENTS: All adult residents of the five jurisdictions who underwent CABS in a hospital in their jurisdiction. RESULTS: Between 1983 and 1989, the CABS rates were consistently highest in California and lowest in the Canadian jurisdictions. In 1989, the age-adjusted rate of CABS in California (112.5/100,000 adults) was 27% higher than in New York (88.4/100,000) and 80% higher than in the three Canadian provinces combined (62.4/100,000). The CABS rates increased for those aged 65 years and older and decreased for those aged 20 to 54 years in all five jurisdictions. In 1989, CABS rates were three times higher in California than in Canada for those aged 75 years and older, and the higher rates for those aged 65 years and older accounted for 75% of the overall difference in rates between California and Canada. In Canada, CABS rates for the nonelderly varied little by income of area of residence, but in New York and California, rates increased steadily with the income of area of residence. CONCLUSION: Control over the supply of resources in Canada is associated with markedly lower CABS rates for the elderly than found in the United States. While overall rates are lower in Canada, the Canadian universal health insurance system reduces the influence of income on access to CABS found in the United States. However, even without universal health insurance, CABS rates for the nonelderly living in the poorest areas in California are similar to the rates for those living in the poorest parts of Canada.

Adult↗
PubMed1996

Neurosurgery workforce in Canada, 1996 to 2011. Canadian Neurosurgical Society.

OBJECTIVE: To determine the number of neurosurgeons in clinical practice in Canada on Jan. 1, 1996, and their practice profile and to determine requirements for 2001 and 2011. DESIGN: Telephone survey and national mail survey. SETTING: Canada. PARTICIPANTS: All 174 neurosurgeons in Canada engaged in active clinical practice on Jan. 1, 1996, and all residents enrolled in neurosurgery training programs in Canada during the 1995-96 academic year. OUTCOME MEASURES: Demographic characteristics, full-time equivalents, workload, attrition, reasons for exit, vacancies, supply and shortfall. RESULTS: All 174 neurosurgeons responded to the survey. There is a chronic shortage of 25 neurosurgeons in Canada. Sixty-two established neurosurgeons will have stopped practice by 2001 and 181 by 2011. They will need to be replaced, for a total requirement of 87 and 206 neurosurgeons by 2001 and 2011 respectively. Canadian neurosurgery training programs can currently generate only up to 69 and 177 graduates by 2001 and 2011 respectively. During the period 1985-95, 50% of neurosurgery graduates emigrated from Canada within 2 years of obtaining certification, creating potential deficits of up to 52 and 117 neurosurgeons by 2001 and 2011 respectively. CONCLUSIONS: Strategies need to be developed quickly to address not only the chronic shortfall but also the attrition of established neurosurgeons. Strategies to increase and retain the number of Canadian neurosurgery graduates are also needed.

Adult↗
PubMed1996

HIV/AIDS mortality in Canada: evidence of gender, regional and local area differentials.

OBJECTIVE: To assess the impact of HIV infection and AIDS on mortality patterns in Canada with specific reference to gender and regional differentials and to other leading causes of death. DESIGN: Descriptive, population-based study. SETTING: Canada. PATIENTS: All persons for whom HIV/AIDS [ninth revision of the International Classification of Diseases (ICD-9) 042-044] was recorded as the underlying cause of death as reported to Statistics Canada between 1987 and 1992. For comparative purposes data was obtained on five other leading underlying causes of death including coronary heart disease (ICD-9 410-414), motor vehicle accidents (ICD-9 E810-E819), and suicides (ICD-9 E950-E959) in men and women, lung cancer (ICD-9 162) in men and breast cancer (ICD-9 174) in women. Population figures were obtained from Statistics Canada estimates. MAIN OUTCOME MEASURES: Age and cause-specific mortality rates, standardized mortality ratios (SMR), potential years of life lost (PYLL) before age 65 years, and life expectancy lost due to a select underlying cause of death. RESULTS: Over the period 1 January 1987 to 31 December 1992, 5546 deaths attributed to HIV/AIDS (5229 in men and 317 in women) were recorded in Canada. SMR for men were significantly higher than the national average in the cities of Vancouver, Toronto and Montreal, whereas those for women were significantly greater only in Montreal. Deaths from HIV/AIDS accounted for 3.6% of PYLL in men and 0.4% of PYLL in women. In 1992, HIV/AIDS was the third leading cause of male PYLL surpassing lung cancer. In the cities of Montreal, Toronto, and Vancouver HIV/AIDS was the leading cause of PYLL and was responsible for significant decrease in life expectancy at birth in men over the study period. CONCLUSIONS: HIV/AIDS has had considerable impact on mortality within Canada, principally among men and particularly in the cities of Toronto, Vancouver and Montreal.

Acquired Immunodeficiency Syndrome↗
PubMed1996

Prevention and management of osteoporosis: consensus statements from the Scientific Advisory Board of the Osteoporosis Society of Canada. 5. Physical activity as therapy for osteoporosis.

OBJECTIVE: To examine exercise as a therapy for people with osteoporosis. OPTIONS: Immobilization, standing low-load and high-load physical activities. OUTCOMES: Risk of injury, quality of life, risk of falls and fractures, strength and posture and pain management. EVIDENCE: Relevant epidemiologic studies, clinical trials and reviews were examined, including the large-scale FICSIT trial in the United States, a prospective 4-year study of women enrolled in an exercise program in Toronto and the large-scale Study of Osteoporotic Fractures. VALUES: Minimizing risk of injury and increasing quality of life were given a high value. BENEFITS, HARMS, AND COSTS: Moderate physical activity in people with osteoporosis can reduce the risk of falls and fractures, decrease pain and improve fitness and overall quality of life. It may also stimulate bone gain and decrease bone loss. Its positive effects are an adjunct to other interventions, such as hormonal therapy. It may give patients the confidence to resume regular activity and can provide social interaction and support. During exercise programs, proper nutrition is necessary to prevent excessive weight loss and impaired immune function resulting from inadequate protein, vitamin and mineral intake. RECOMMENDATIONS: Immobilization should be avoided if possible in anyone with osteoporosis or at increased risk for osteoporosis. Regular, moderate physical activity is recommended for those with osteoporosis. Elderly people should be assessed for risk of falling to identify those in greatest need of an exercise program. Community group exercise programs are beneficial. Younger people with osteoporosis also need exercise that will preserve or improve bone mass, muscular strength, endurance and cardiovascular fitness. Weight loss as a result of physical activity should be avoided and adequate intake of protein, vitamins and minerals assured. Because the benefits of physical activity are independent of the effect of other therapies, physical activity is an essential adjunct to appropriate nutrition and other therapies. VALIDATION: These recommendations were developed by the Scientific Advisory Board of the Osteoporosis Society of Canada at its 1995 Consensus Conference. They are in agreement with the position taken on osteoporosis and exercise by the United States Center for Disease Control and Prevention and the American College of Sports Medicine. SPONSORS: Sponsors of the 1995 conference included the Dairy Farmers of Canada, Eli Lilly Canada, Inc., Hoffmann-La Roche Canada Ltd., Merck Frosst Canada Inc. and Procter & Gamble Pharmaceuticals Canada Inc.

Accidental Falls↗
PubMed1997

The current level of involvement of urological trainees and faculty in clinical kidney transplantation in the United States and Canada.

PURPOSE: We attempted to quantitate the level of participation of urology residents and faculty in clinical renal transplantation in the United States and Canada at the present time. MATERIALS AND METHODS: All 123 urology residency program directors in the United States and all 13 in Canada were mailed a questionnaire requesting information about the participation of their residents and faculty in clinical renal transplantation at their institutions. All program directors (100%) returned the surveys. RESULTS: In the United States 94% of residencies are affiliated with renal transplant programs and 81% provide a transplant rotation. In Canada each program provides a transplant experience. In the United States 22% and in Canada 85% of academic renal transplant programs are directed or codirected by urology. In the United States approximately 80% and in Canada more than 90% of residents are exposed to transplant surgery, although the majority have pre-urology or junior resident rotations. Approximately 50% of residents in each country receive training in immunosuppression. In the United States 25% of programs have urology faculty perform transplant surgery and administer immunosuppression, compared to more than 90 and only 15%, respectively, in Canada. CONCLUSIONS: Urological participation in clinical renal transplantation at academic medical centers remains strong with approximately 25% of programs directed or codirected by urology departments in the United States--a figure that has not changed appreciably during the last 10 years. In the future the continued presence of urology in transplantation requires a commitment from urology program directors to support exposure for residents as well as promoting the training and development of young transplant surgeons within our own specialty.

Canada↗
PubMed1998

The Class of 1989 and physician supply in Canada.

BACKGROUND: "The Class of 1989" is a study of 1722 people who were awarded an MD degree by a Canadian university in 1989. This paper reports on migration, specialty choices and patterns of post-MD training in order to assess the contribution of the graduating cohort to the physician workforce of Canada. METHODS: A longitudinal study was conducted over 7 years after graduation to trace the current location, the post-MD training history and the professional activity of the graduating cohort. Several medical professional and educational associations in Canada and the United States provided year-by-year information on field and location of post-MD training, certification achieved, whether in practice and location of practice through to spring 1996. Information from all sources was linked to a list of 1989 medical school graduates. RESULTS: From entry to medical school through to 7 years after graduation the cohort was diminished by about 16%. The main reason for loss was migration to other countries: 193 graduates (11.2%) were outside Canada in 1995-96. Internal migration was extensive also; for example, by 1995-96 relatively few of the graduates were located in Newfoundland or Saskatchewan. Of the 1516 graduates active in Canada in 1995-96, 878 (57.9%) were in general practice/family medicine, and only 638 (42.1%) were practising or training in a specialty. INTERPRETATION: The "yield" of the Class of 1989 for Canada's physician workforce is insufficient to meet annual physician inflows from Canadian sources to serve population growth and to replace retiring or emigrating physicians. As output from Canada's medical schools drops even further, the gap between requirements and supply will grow even wider.

Canada↗
PubMed1998

A comparison of cardiovascular procedure use between the United States and Canada.

OBJECTIVE: To compare the relative volume and intensity of all types of cardiovascular procedures, noninvasive tests, and diagnostic imaging for all elderly individuals between the United States and the three largest Canadian provinces (Ontario, Quebec, and British Columbia) by patient age. DATA SOURCES: Service volume data for the United States for a one percent random sample of claims obtained from Medicare's National Claims History System. Data for Canada were obtained from the Ministries of Health in the three provinces representing 100 percent of the claims received by each Ministry. STUDY DESIGN: Design is a cross-sectional analysis of 1992 claims data. DATA EXTRACTION METHODS: The volume of cardiovascular services was measured in terms of the relative value units (RVUs) used in the Medicare fee schedule to calculate payments. Services were disaggregated into nine clinical categories, and comparisons were made by type of cardiovascular service and patient age. RESULTS: Overall, cardiovascular procedure RVUs per elderly beneficiary are 53 percent greater in the United States than in Canada. Differences are largest for surgical procedures such as carotid thromboendarterectomy and revascularization procedures and smallest for diagnostic imaging and noninvasive tests. The differences between the countries in the use of cardiovascular procedures increase markedly with age. For example, the United States-to-Canada ratio for PTCA use is 1.87 for persons age 65 to 69, but 7.68 for persons age 80 and older. For CABG, the ratios are 1.36 and 7.16, respectively. CONCLUSIONS: Our findings suggest that global budgets in Canada result in lower levels of cardiovascular service use among the elderly, particularly among the very aged elderly. Patient age appears to play a much more important role in determining the recipients of cardiovascular procedures in Canada than in the United States. Whether these higher rates of procedure use among the very elderly in the United States compared to Canada reflect profligate service use or contribute to improved outcomes is uncertain.

Age Factors↗
PubMed2003

Adenocarcinoma and multiple adenomas of the large intestine, associated with Cronkhite-Canada syndrome.

The Cronkhite-Canada syndrome is a rare non-hereditary disorder with generalised gastrointestinal polyposis, associated with ectodermal changes. We report here a case of adenocarcinoma and multiple adenomas of the large intestine associated with Cronkhite-Canada syndrome in a 61-year-old Japanese man. Histologically, the rectal tumour was composed of well-differentiated tubular adenocarcinoma, admixed with foci of adenomatous components, and associated with hyperplastic mucosa of Cronkhite-Canada syndrome. Multiple polyps, >20 polyps < or = 2.0 cm in diameter, were found near the carcinoma of the resected rectum. Histologically, superficial parts of the polyps were composed of tubular adenomas, and basal parts of the polyps were hyperplastic dilated glands. It was speculated that, in the present case, the rectal adenocarcinoma arose from mucosal hyperplasia (Cronkhite-Canada polyp)-adenoma-carcinoma pathway. This suggested that Cronkhite-Canada syndrome has definite malignant potential, although the frequency of malignant transformation is thought to be low in Cronkhite-Canada syndrome.

Adenocarcinoma↗
PubMed2001

Tannins in Puccinellia arctica: possible deterrents to herbivory by Canada geese.

Urban populations of Canada geese, Branta canadensis, pose a nuisance problem throughout most of the eastern United States and in other parts of the United States and Canada. Puccinellia arctica is a species of arctic grass that is unpalatable to Canada geese on the North Slope of Alaska and may prove to be an effective long-term and nonlethal means of controlling the growing populations of urban Canada geese. A comparative study of the secondary metabolites of both P. arctica and Puccinellia langeana and Poa pratensis, two palatable grass species that Canada geese generally consume, revealed no significant differences. However, ellagitannin levels were higher in P. arctica than in the palatable grass species and may be contributing to its unpalatability to Canada geese. These results support the potential to use P. arctica in public areas to control geese intrusions.

Animals↗
PubMed2004

Perinatal Care in Canada.

HEALTH ISSUE: Canada's standard of perinatal care ranks among the highest in the world, but there is still room for improvement, both in terms of regional differences in care and global comparisons of approaches to care in Canada and elsewhere. Data from the Canadian Perinatal Surveillance System (CPSS) was used to evaluate morbidity and mortality among mothers and infants. KEY FINDINGS: Maternal mortality rates in Canada dropped to 4.4 per 100,000 live births in 1993-1997 and are among the lowest in the world. Rates of Caesarean section increased from 15.3 per 100 deliveries in 1994 to 19.1 in 1997. Although the infant mortality rate in Canada is among the lowest in the world (5.3-8.8 per 1,000 live births 1990-2000), there are unacceptable disparities between subpopulations. In Aboriginal populations, rates of stillbirth and perinatal mortality are 2-2.5 times the Canadian average. There has been a steady increase in the proportion of births among older women who have the highest risk of preterm births and pregnancy complications.The increasing rate of multiple births has accelerated recently and is of concern as these carry a higher risk of complications and are associated with an increased risk of preterm birth. The costs to the health care system are likely to be high. DATA GAPS AND RECOMMENDATIONS: CPSS data, including economic indicators, needs to be collected in a more timely and uniform manner across Canada. The CPSS should provide an evaluation of how well Canada fares in relation to international standards of perinatal care.

Journal Article↗
PubMed2002

The epidemiology of tuberculosis among foreign-born persons in Alberta, Canada, 1989-1998: identification of high risk groups.

BACKGROUND: To date, there have been no comprehensive epidemiological studies in Canada of the incidence rates of tuberculosis among foreign-born persons. Accurate rate estimates are needed to develop cost-effective strategies for the prevention, control, and ultimate elimination of tuberculosis. METHODS: Most new immigrants to Canada settle in one of four provinces: Ontario, British Columbia, Quebec and Alberta. Data from the provincial reporting system for tuberculosis, from Statistics Canada censuses and population estimates of Treaty Status Indians provided by the Department of Indian and Northern Affairs Canada, were used to estimate the rate of tuberculosis in Alberta's Canadian-born and foreign-born population between 1989 and 1998. RESULTS: Age-adjusted tuberculosis case rates per 100,000 person-years were 19.4 and 61.9 in the foreign-born and Canadian-born Treaty Indians-approximately 10 times and 30 times, respectively, higher than the rate in the remainder of the Canadian-born population (2.1/100,000 person-years). Age-specific rates in male and female foreign-born persons were highest at ages 15-34 and > or = 65 years, whereas rates in Canadian-born non-Treaty and Treaty males and females increased incrementally, with a single peak at > or = 65 years. Tuberculosis case rates in the foreign-born varied significantly according to World Bank region and country of birth. By far the highest rates were seen in immigrants to Canada from Asia, in particular Vietnam, the Philippines, China, Hong Kong and India. Most (90%) tuberculosis patients from these countries had not been identified as requiring medical surveillance in Canada after arrival. CONCLUSION: Immigrants to Alberta from Asia and Treaty Status Indians are at high risk for tuberculosis. Physicians in Alberta who care for foreign-born persons should be aware that their patients are at increased risk for tuberculosis, even if they have been medically cleared during the legal immigration process.

Adolescent↗
PubMed1994

Comparison of the appropriateness of coronary angiography and coronary artery bypass graft surgery between Canada and New York State.

OBJECTIVE: To compare the appropriateness of coronary angiography and coronary artery bypass graft (CABG) use between the United States and Canada. DESIGN: Retrospective randomized medical record review. SETTING: All hospitals performing coronary angiography and/or CABG surgery in two Canadian provinces (Ontario and British Columbia); in New York State, 15 randomly selected hospitals that provide coronary angiography and 15 randomly selected hospitals that provide CABG surgery. PATIENTS: All patients were randomly selected. For coronary angiography, 533 patients in Canada and 1333 patients in New York were selected; for CABG, 556 patients in Canada and 1336 patients in New York were selected. MAIN OUTCOME MEASURES: Percentage of patients in each country who had coronary angiography or CABG for necessary, appropriate, uncertain, or inappropriate indications as rated by criteria developed separately in each country and the complications of those procedures. RESULTS: For coronary angiography, 9% of Canadian cases and 10% of New York cases were rated inappropriate using Canadian criteria compared with 5% and 4%, respectively, using US criteria. For CABG, 4% of Canadian cases and 6% of New York cases were rated inappropriate by Canadian criteria compared with 3% and 2%, respectively, using US criteria. A lower proportion of procedures were performed on persons aged 75 years or older in Canada than in New York for both coronary angiography (5% vs 11%; P < .001) and CABG (6% vs 14%; P < .001). Women were also represented in lower proportions among angiography cases in Canada than in New York (28% vs 35%; P = .023). Canadian patients with left main coronary disease waited significantly longer between angiography and CABG than did New York patients (P < .0001). CONCLUSIONS: Rates of inappropriate use of cardiac procedures were low in Canada and New York, which suggests that the regionalization of cardiac procedures that characterizes both health care systems contributes to better clinical decision making. Differences in the use of cardiac procedures among the elderly in the two countries merits further comparative examination.

Aged↗
PubMed1965

SMALLPOX CONTROL IN CANADA.

During the period 1961 to 1963 there were 10 separate importations of smallpox cases by aircraft into England and Wales, Germany, Sweden, Poland and Canada. A feature of the resulting outbreaks was the number of cases and deaths of physicians and other health personnel. With the increasing volume of international air traffic there is a risk of importing incubating cases of smallpox into Canada, as occurred in 1962. Millions of Canadians have been protected against smallpox. Some complications of smallpox vaccination have occurred in Canada; such complications can be minimized by proper attention to contraindications to vaccination. The Food and Drug Directorate, Department of National Health and Welfare, has circularized all physicians in Canada to request their co-operation in reporting adverse reactions to drugs. This includes serious, unusual or unsuspected reactions to immunizing agents (vaccines, toxoids and antitoxins). The latter information will be shared with the Epidemiology Division, Department of National Health and Welfare, and the provincial epidemiologist and manufacturer concerned. The importance of maintaining the smallpox immunity of physicians, nurses and other hospital and health personnel in Canada is emphasized.

Biometry↗
PubMed2003

In-hospital cost of abdominal aortic aneurysm repair in Canada and the United States.

BACKGROUND: Global health care costs in Canada and the United States have been examined on a macroeconomic level. However, to our knowledge, comparative costs of specific procedures in the 2 countries have not been closely studied. METHODS: To perform a microeconomic comparison of costs of open abdominal aortic aneurysm (AAA) repair, we examined the costs of treating 1057 consecutive patients from 4 Canadian (n = 552) and 6 US (n = 505) hospitals. Participating hospitals used the same cost accounting system that provided demographic, clinical, and cost data (excluding physician's fees) for each patient. Canadian dollar costs were converted to US dollar costs using purchasing power parities. RESULTS: Compared with patients who underwent AAA repair in the United States, Canadian patients were significantly younger (mean +/- SD, 70.2 +/- 10.5 vs 73.3 +/- 8.5 years; P<.001) and were less likely to undergo elective repair (48.5% vs 73.3%; P<.001). The median length of hospital stay was longer in Canada (9.0 vs 7.0 days; P<.001), and mortality rates were similar (12.0% [Canada] vs 9.9% [United States]; P =.29). The mean +/- SEM cost of AAA repair was dollars 15 852 +/- dollars 790 in Canada compared with US dollars 23299 +/- US dollars 1410 in the United States. CONCLUSIONS: The cost of AAA repair is substantially higher in the United States compared with Canada, despite shorter lengths of stay and similar clinical outcomes. The difference in total treatment costs between Canadian and American hospitals was partially attributable to differences in direct costs, but was largely due to differences in overhead costs.

Aged↗
PubMed2005

Outcomes and cost of coronary artery bypass graft surgery in the United States and Canada.

BACKGROUND: We sought to determine whether there is a difference in in-hospital outcomes and costs for coronary artery bypass graft surgery (CABG) between the United States and Canada. METHODS: We compared the outcomes and costs of treating 12 017 consecutive patients (4698 US and 7319 Canadian patients) undergoing CABG at 5 US and 4 Canadian hospitals. Participating hospitals used the same cost accounting system to provide patient-level clinical, resource utilization, and cost-of-treatment data (excluding physicians' fees). Canadian costs were converted to US dollars using purchasing power parities. RESULTS: Compared with Canadian patients, US patients were older (mean +/- SD age, 68.0 +/- 10.4 vs 63.7 +/- 9.8 years [P<.001]), more likely to be female (27.4% vs 21.8% [P<.001]), and discharged from the hospital sooner (mean +/- SD length of stay, 8.7 +/- 0.1 vs 9.5 +/- 0.1 days [P<.001]). In-hospital costs of treatment were substantially higher in the United States than in Canada (mean +/- SD cost, dollar 20,673 +/- dollar 241 vs dollar 10,373 +/- dollar 123 [P<.001]; median, dollar 16,036 vs dollar 7880). After controlling for demographic and clinical differences, length of stay in Canada was 16.8% longer than in the United States; there was no difference in in-hospital mortality; and the cost in the United States was 82.5% higher than in Canada (P<.001). CONCLUSIONS: The in-hospital cost of CABG in the United States is substantially higher than in Canada. This difference is due to higher direct and overhead costs in US hospitals, is not explained by demographic or clinical differences, and does not lead to superior clinical outcomes.

Aged↗
PubMed2003

Hypertension prevalence and blood pressure levels in 6 European countries, Canada, and the United States.

CONTEXT: Geographic variations in cardiovascular disease (CVD) and associated risk factors have been recognized worldwide. However, little attention has been directed to potential differences in hypertension between Europe and North America. OBJECTIVE: To determine whether higher blood pressure (BP) levels and hypertension are more prevalent in Europe than in the United States and Canada. DESIGN, SETTING, AND PARTICIPANTS: Sample surveys that were national in scope and conducted in the 1990s were identified in Germany, Finland, Sweden, England, Spain, Italy, Canada, and the United States. Collaborating investigators provided tabular data in a consistent format by age and sex for persons at least 35 years of age. Population registries were the main basis for sampling. Survey sizes ranged from 1800 to 23 100, with response rates of 61% to 87.5%. The data were analyzed to provide age-specific and age-adjusted estimates of BP and hypertension prevalence by country and region (eg, European vs North American). MAIN OUTCOME MEASURES: Blood pressure levels and prevalence of hypertension in Europe, the United States, and Canada. RESULTS: Average BP was 136/83 mm Hg in the European countries and 127/77 mm Hg in Canada and the United States among men and women combined who were 35 to 74 years of age. This difference already existed among younger persons (35-39 years) in whom treatment was uncommon (ie, 124/78 mm Hg and 115/75 mm Hg, respectively), and the slope with age was steeper in the European countries. For all age groups, BP measurements were lowest in the United States and highest in Germany. The age- and sex-adjusted prevalence of hypertension was 28% in the North American countries and 44% in the European countries at the 140/90 mm Hg threshold. The findings for men and women by region were similar. Hypertension prevalence was strongly correlated with stroke mortality (r = 0.78) and more modestly with total CVD (r = 0.44). CONCLUSIONS: Despite extensive research on geographic patterns of CVD, the 60% higher prevalence of hypertension in Europe compared with the United States and Canada has not been generally appreciated. The implication of this finding for national prevention strategies should be vigorously explored.

Adult↗