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In a retrospective study of the incidence of mesothelioma in Scotland for 1950-67 80 cases were traced from pathological reports and biopsy material of malignant tumours invading the pleura and peritoneum. These cases were matched with two sets of controls. Detailed histories of residence, occupation, and degree of exposure to asbestos confirmed that the incidence of mesothelioma in Scotland is similar to that in other parts of Britain.
AIMS: To report on the epidemiology of cerebral palsy in England and Scotland, to provide information on the prevalence of cerebral palsy and the severity of the disability or any co-morbidity. METHODS: Cerebral palsy registers were compiled from multiple sources of ascertainment covering all of Scotland and the counties of Merseyside, Cheshire, Berkshire, Buckinghamshire, Northamptonshire and Oxfordshire in England. All cases of cerebral palsy born in 1984 to 1989, to mothers resident in the area, were included. Denominator number of live births and neonatal deaths for determining birthweight specific prevalence were obtained from birth and death registrations. Learning, manual, and ambulatory disabilities were graded for severity. Any co-existing sensory (hearing or visual) morbidity was also graded for severity. RESULTS: There were 789,411 live births in 1984-9, with 3651 neonatal deaths (neonatal mortality 4.6 per 1000 live births) and 1649 cases of cerebral palsy--a cerebral palsy prevalence of 2.1 per 1000 neonatal survivors. The birthweight specific cerebral palsy prevalence ranged from 1.1 per 1000 neonatal survivors in infants weighting > or = 2500 g to 78.1 in infants weighing < 1000 g. There was no significant time trend in prevalence of cerebral palsy in any of the birthweight groups, in contrast to the fall in neonatal mortality observed in all birthweight groups. Of the 1649 cases of cerebral palsy, 550 (33.4%) had severe ambulatory disability (no independent walking), 390 (23.7%) had severe manual disability (incapable of feeding or dressing unaided), 381 (23.1%) had severe learning disability (IQ < 50), 146 (8.9%) had severe visual disability (vision < 6/60 in the better eye) and 12 had severe hearing disability (> 70 dB loss). CONCLUSIONS: Registers fill an important gap left by the lack of routine data on the prevalence of disability in children. The ability to record trends in the prevalence and the severity of the disability should inform those who have responsibility for providing services for children with disabilities.
OBJECTIVE: To examine the epidemiology, primary care burden, and treatment of heart failure in Scotland, UK. DESIGN: Cross sectional data from primary care practices participating in the Scottish continuous morbidity recording scheme between 1 April 1999 and 31 March 2000. SETTING: 53 primary care practices (307,741 patients). SUBJECTS: 2186 adult patients with heart failure. RESULTS: The prevalence of heart failure in Scotland was 7.1 in 1000, increasing with age to 90.1 in 1000 among patients > or = 85 years. The incidence of heart failure was 2.0 in 1000, increasing with age to 22.4 in 1000 among patients > or = 85 years. For older patients, consultation rates for heart failure equalled or exceeded those for angina and hypertension. Respiratory tract infection was the most common co-morbidity leading to consultation. Among men, 23% were prescribed a beta blocker, 11% spironolactone, and 46% an angiotensin converting enzyme inhibitor. The corresponding figures for women were 20% (p = 0.29 versus men), 7% (p = 0.02), and 34% (p < 0.001). Among patients < 75 years 26% were prescribed a beta blocker, 11% spironolactone, and 50% an angiotensin converting enzyme inhibitor. The corresponding figures for patients > or = 75 years were 19% (p = 0.04 versus patients < 75), 7% (p = 0.04), and 33% (p < 0.001). CONCLUSIONS: Heart failure is a common condition, especially with advancing age. In the elderly, the community burden of heart failure is at least as great as that of angina or hypertension. The high rate of concomitant respiratory tract infection emphasises the need for strategies to immunise patients with heart failure against influenza and pneumococcal infection. Drugs proven to improve survival in heart failure are used less frequently for elderly patients and women.
OBJECTIVES: To investigate whether sex, age, and deprivation inequalities existed in the prescription of secondary preventive treatment for coronary heart disease (CHD) in Scottish general practice and whether these differences altered over time. DESIGN: 6 year cross sectional study based on general practice morbidity and prescribing data. SETTING: 55 primary care practices in Scotland. SUBJECTS: 14,435 patients with diagnosed CHD. MAIN OUTCOME MEASURE: Prescription of various groups of secondary preventive treatment in six study years. RESULTS: The use of all secondary prevention treatments increased over time (63.6% of patients with CHD in 1997 to 87.6% in 2002). After adjustments for age, sex, deprivation, co-morbidities, and practice where appropriate, women received fewer secondary prevention treatments than men, a difference that increased over time (March 1997: adjusted odds ratio (OR) 0.9, 95% confidence interval (CI) 0.8 to 1.0; March 2002: OR 0.6, 95% CI 0.6 to 0.7). Sex differences were observed within each group of treatments studied. The oldest group of patients was less likely than the youngest group to receive any secondary preventive treatment in the year up to March 1997 (OR 0.6, 95% CI 0.5 to 0.7) but were more likely by 2002 (OR 1.3, 95% CI 1.1 to 1.5) to receive secondary prevention. The most affluent patients with CHD were significantly less likely to receive a statin between March 1998 and 2001 (March 1998 OR 0.6, 95% CI 0.5 to 0.9), a finding that disappeared by 2002 (OR 0.9, 95% CI 0.7 to 1.1). CONCLUSION: The results suggest that inequalities exist in the secondary prevention of CHD in Scotland.
Data from 10,359 men and women aged 40-59 years from 22 districts in the Scottish Heart Health Study were used to describe the prevalence rates of coronary heart disease in Scotland in 1984-1986 and their relation to the geographical variation in mortality in these districts. Prevalence was measured by previous history, Rose chest pain questionnaire, and the Minnesota code of a 12 lead resting electrocardiogram. The prevalence of coronary heart disease in Scotland was high compared with studies from other countries that used the same standardised methods. A history of angina was more common in men (5.5%) than in women (3.9%), though in response to the Rose questionnaire 8.5% of women and 6.3% of men reported chest pain. A history of myocardial infarction was three times more common in men than women, as was a Q/QS pattern on the electrocardiogram. There were significant correlations between the different measures of coronary prevalence. District measures of angina correlated well with mortality from coronary heart disease, and these correlations tended to be stronger in women than in men. There was no significant correlation between mortality from coronary heart disease and measures of myocardial infarction. The study provides data on the prevalence of coronary heart disease in men and women that are valuable for the planning of cardiological services.
The Scottish Meningococcus and Pneumococcus Reference Laboratory provides a national service for the laboratory confirmation of meningococcal and pneumococcal disease in Scotland. The main tests used for the laboratory confirmation of meningococcal disease are culture, the polymerase chain reaction (PCR), antibody testing, and more recently DNA sequencing. This paper describes the automation of PCR for the laboratory confirmation of meningococcal disease and the typing of meningococcal isolates using DNA sequencing. Both methods have been automated using a robotic liquid handler and automated DNA sequencer. These methods, along with standard culture phenotyping and antibody testing, provide Scotland with an excellent service for the confirmation of meningococcal disease.
OBJECTIVE: To examine social class inequalities in adverse perinatal events in Scotland between 1980 and 2000 and how these were influenced by other maternal risk factors. DESIGN: Population based study using routine maternity discharge data. SETTING: Scotland. PARTICIPANTS: All women who gave birth to a live singleton baby in Scottish hospitals between 1980 and 2000 (n=1,282,172). MAIN OUTCOME MEASURES: Low birth weight (LBW), preterm birth, and small for gestational age (SGA). RESULTS: The distribution of social class changed over time, with the proportion of mothers with undetermined social class increasing from 3.9% in 1980-84 to 14.8% in 1995-2000. The relative index of inequality (RII) decreased during the 1980s for all outcomes. The RII then increased between the early and late 1990s (LBW from 2.09 (95%CI 1.97, 2.22) to 2.43 (2.29, 2.58), preterm from 1.52 (1.44, 1.61) to 1.75 (1.65, 1.86), and SGA from 2.28 (2.14, 2.42) to 2.49 (2.34, 2.66) respectively). Inequalities were greatest in married mothers, mothers aged over 35, mothers taller than 164 cm, and mothers with a parity of one or more. Inequalities were also greater by the end of the 1990s than at the start of the 1980s for women of parity one or more and for mothers who were not married. CONCLUSION: Despite decreasing during the 1980s, inequalities in adverse perinatal outcomes increased during the 1990s in all strata defined by maternal characteristics.
In 1972 the height of 7601 children aged five to 11.5 years in England and of 2214 in Scotland was measured. Their parents were asked to complete a questionnaire to provide social and antrhopometric information. A sequence of linear models was fitted to the data to assess the associations between social and biological factors and height. At the time of the study it was found that sibship size, father's social class, and his employment status all had a significant relationship with child's height; however, parents' height and child's birthweight both accounted for relatively more of the variance in child's height than father's social class and employment status. In England, sibship size significantly influenced the height of children of manual workers, but not that of nonmanual workers' children. In Scotland, sibship size was associated with height in all social groups. Surveillance and possibly intervention in a wide range of activities should be directed at socially more deprived groups; for example, in Social Class V, in which there are more large families and unemployment is more common.
The north-east of Scotland (Grampian Region) has undergone three incidence and prevalence surveys, including the present one, since 1970. Results from these indicate a true increase in the prevalence of the disease in the region. The incidence of the disease has remained continuously high and shows a slightly upward trend. Literature on the subject of repeated surveys in different regions of the world has been reviewed in detail. The need for a prevalence study from the south of the British Isles has been emphasised in order to enable one to judge if the increase in Scotland is in keeping with the pattern in the whole of the British Isles. The familial incidence of the disease was noted to be virtually unchanged between the three surveys. Certain other aspects of aetiological significance have been analysed, viz, clustering of patients at birth or at onset of the disease; ages of occurrence of childhood viral infections such as measles, mumps, chickenpox and rubella; and the role of canine distemper infection.
A general population cohort of 7055 men aged 45-64 and resident in Renfrew and Paisley, two urban burghs in the West of Scotland, has been followed for 10 1/2 years. Analysis of the cigarette smoking and lung cancer (incidence and mortality) relation has been undertaken in order to establish whether unusual results found in a case-control study of cigarette smoking and lung cancer in the adjacent city of Glasgow could be confirmed. Lung cancer incidence and mortality rates increased markedly for exposure categories up to an average consumption of 15-24 cigarettes per day. Above this level the rates increased only marginally. Expressing these rates relative to that estimated for the never-smoked group and comparing them with the relative risks estimated in the case-control study revealed a similarity in terms of both the shape and the level of the dose-response relation. Comparison of the lung cancer rates found in this cohort with those observed in other cohort studies in the literature (UK doctors, US Veterans, and American Cancer Society volunteers) suggested that the West of Scotland rates were substantially higher at all levels of cigarette exposure.
STUDY OBJECTIVE: The aim was to examine social and physical correlates of blood pressure in 15 year olds. DESIGN: This was the first, baseline, sweep of a longitudinal survey of 15 year olds based on a two stage stratified clustered random sample. SETTING: The Central Clydeside Conurbation, in the West of Scotland. In 1981 this had a population of 1.7 million and a standardised mortality ratio (relative to Scotland as a whole) of 109. SUBJECTS: A random sample of households containing 15 year olds were approached by Strathclyde Regional Council; 70% agreed to have their names passed on to the MRC (15% refused, 10% could not be contacted, and 5% had moved). Of these 1177, 11% refused to participate, 3% were not contactable/had moved, and 4% did not provide full data. Complete blood pressure data are available for 959 15 year olds (464 males and 495 females). MEASUREMENTS AND MAIN RESULTS: Blood pressure, pulse rate, height, weight, and room temperature were measured by nurses in the subjects' homes. Smoking, drinking, and frequency of vigorous exercise were self reported. Maternal height, birthweight, occupation of head of household, and housing tenure were reported by parents. After controlling for the other variables, systolic blood pressure was significantly associated with weight, pulse rate, and room temperature in males and with weight, pulse rate, housing tenure, smoking, and exercise in females. Diastolic blood pressure was associated with room temperature in males and with mother's height, pulse rate, and housing tenure in females. Controlling for current weight, birthweight was inversely related to systolic blood pressure in males and positively associated in females, though in neither case were these associations statistically significant. CONCLUSIONS: In males, blood pressure was mainly related to anthropometric factors whereas in females it was additionally related to socioeconomic and behavioural variables. Although not reaching significance, the weight standardised relationship between birthweight and systolic blood pressure was consistent for males, but not females, with those reported by recent British studies of children and adults. The longitudinal design of this study will allow us to examine correlates of blood pressure in the same individuals as they reach social and physical maturity.
STUDY OBJECTIVE: To determine the incidence of cancer among homeless men in Glasgow. DESIGN: Descriptive study of cancer incidence in a defined, though individually unidentifiable, population cohort. SETTING: Glasgow and the West of Scotland Region. PARTICIPANTS: Male residents of 10 hostels for the single homeless in Glasgow, open for all or part of the period 1975-93. Estimated total man-years of risk 21,820. MAIN RESULTS: After adjusting for age and socioeconomic deprivation, the proportional incidence ratio (PIR) of tumours of the oral cavity and pharynx in hostel residents was over twice what would be expected in the male population as a whole (PIR 2.37, 95% CI 1.41, 4.00). Cancers of the oesophagus and larynx were also overrepresented (PIR 1.63 and 1.74 respectively). Estimated age standardised incidence ratios were greater than would be expected for the most socioeconomically deprived areas of the west of Scotland for tumours of the oral cavity and pharynx, larynx, oesophagus, and lung (2.39, 1.87, 1.61, and 1.23 respectively). CONCLUSIONS: The incidence of many cancers is known to be higher in lower socioeconomic groups. Within the lowest deprivation category, there is evidence from this study for a further excess risk among homeless men for cancers of the oral cavity and pharynx, oesophagus, larynx, and lung. Improvements in general health care are urgently needed for this particularly vulnerable section of the population.
Knowledge of the heterosexual spread of HIV is needed to plan future health-care needs. In December 1989 we gained approval and finance for unlinked anonymous testing of neonatal Guthrie card samples in Scotland. Local ethics committee approval was required before testing could start. Twenty ethics committees were approached in the 15 Scottish health board areas. Nineteen of the committees have agreed, representing 99.6 per cent of births in Scotland. Our method of contacting ethics committees is discussed, as are the points raised.
Total ascertainment revealed 28 families with haemophilia B in the west of Scotland (prevalence 1/26 870 males). In 12 of these families more than one person was affected and 26 living obligate carriers were identified and tested. Of these, 42% were heterozygous for a DNA polymorphism recognised by a factor IX genomic probe. No recombination was observed in 11 phase known and four phase unknown informative meioses. Definitive genetic counselling was possible for 14 of 42 females at risk, 11 could not be traced, in 10 the probe was not informative, and in seven paternal absence prevented interpretation. Linkage disequilibrium was apparent for this restriction fragment length polymorphism and haemophilia B in the west of Scotland.
The Scottish Motor Neuron Disease Register (SMNDR) is a prospective, collaborative, population based study of motor neuron disease (MND) in Scotland. The register started in January 1989 with the aim of studying the clinical and epidemiological features of MND by prospectively identifying incident patients. It is based on a system of registration by recruitment from multiple sources, followed by the collection of complete clinical data and follow up, mainly through general practitioners. In this report the register's methodology and the demography and incidence data for the first year of study are presented. One hundred and fourteen newly diagnosed patients were identified in 1989 giving a crude incidence for Scotland of 2.24/100,000/year. Standardised incidence ratios showed a non-significant trend towards lower rates in north eastern regions and island areas.
OBJECTIVE: To determine the incidence and prevalence of multiple sclerosis in the Lothian and Border Health Board Regions of south east Scotland. METHODS: Incidence study: all patients were identified in whom a diagnosis of Poser category probable or definite multiple sclerosis was made by a neurologist between 1992 and 1995. Prevalence study: all patients known to have multiple sclerosis who were alive and resident in the study area on 15 March 1995 were recorded. RESULTS: The crude annual incidence rates of probable or definite multiple sclerosis per 100000 population were the highest ever reported: 12.2 (95% confidence interval (95% CI) 10.8-13.7) in the Lothian Region and 10.1 (95% CI 6.6-13.6) in the Border Region. A total of 1613 patients with multiple sclerosis were resident in the study area, giving standardised prevalence rates per 100000 population of 203 (95% CI 192-214) in the Lothian Region and 219 (95% CI 191-251) in the Border Region. Prevalent cases were more likely than expected to have a Scottish surname (risk ratio 1.24, 95% CI 1.14-1.34). CONCLUSION: Orkney and Shetland were previously thought to have by far the highest prevalence of multiple sclerosis in the world: about double that found in England and Wales. However, the prevalence in south east Scotland is equally high, suggesting that the Scottish population as a whole has a genetic susceptibility to the disease, and undermining the hypothesis that patterns of infection specific to small sparsely populated island communities are important in the causation of multiple sclerosis.
OBJECTIVES: To examine the risk of cancers other than leukaemia and non-Hodgkin's lymphoma in children resident in the vicinity of nuclear sites in Scotland. METHODS: The study dataset comprised registrations of cancer other than leukaemia and non-Hodgkin's lymphoma diagnosed in children aged under 15 in the period 1975-94. These were validated for completeness and accuracy and analysed in two groups: (a) tumours of the central nervous system and (b) other malignant tumours (excluding leukaemia and non-Hodgkin's lymphoma). Around each nuclear site observed cases (O) were enumerated and expected numbers (E) calculated with adjustment for age, sex, deprivation, and an urban-rural category. Stone's maximum likelihood ratio test (MLR) was used to determine whether there was any evidence of increased risk of these neoplasms among children living within 25 km of one of the nuclear sites investigated. The significance level of each MLR statistic was estimated by simulation. RESULTS: More tumours of the central nervous system were observed than expected within 25 km of Dounreay (O/E = 1.14), Hunterston (1.14), and Rosyth (1.22). These results were based on 2, 26, and 136 observed cases, respectively. The unconditional MLR was significant only for Rosyth (p = 0.006). The conditional application of the MLR test for Rosyth was not significant (p = 0.771). For the group of other malignant neoplasms, the unconditional MLR test was not significant for any of the seven sites. CONCLUSIONS: There was no evidence for generally increased risk of either tumours of the central nervous system or other malignant tumours in children living near nuclear sites. The significant excess of tumours of the central nervous system around Rosyth is likely to be due to the high incidence of these tumours in east central Scotland. Further investigations in this area are warranted.
OBJECTIVE: To evaluate patients' views on the process and outcome of day surgery in Scotland, and to study patients' satisfaction with care in a range of specific procedures. DESIGN: Questionnaires completed by a census of day case surgery patients within a band of 25 procedures under the umbrella of five broad groups: (1) general surgery; (2) urology; (3) gynaecology; (4) orthopaedics; (5) ear, nose, and throat; ophthalmology. SETTING: 13 hospitals in six health board areas in Scotland. SUBJECTS: During the period 1995-6, 5069 day case patients were asked to complete a questionnaire within two weeks of their operation and discharge from hospital. MAIN OUTCOME MEASURES: Arrangements before admission; immediate postoperative symptoms and complications; problems experienced after discharge; readmission after discharge. RESULTS: A response rate of 68% was obtained from 13 sites ranging from 43% to 82%. The overall satisfaction score was 85. A total of 894 patients (26%) experienced pain after surgery and 783 (23%) had relatively minor medical problems after discharge. In total, 265 (7.8%) patients were readmitted to hospital after discharge. Few notable differences existed between specialties or hospitals in terms of satisfaction scores, although notable pain was experienced more frequently in gynaecology and general surgery patients. Readmission was more common for urological procedures. CONCLUSION: Overall, patient satisfaction with day case surgery was high. Dissatisfaction was largely related to waiting times between admission, operation, and discharge. The amount of pain experienced also had a notable impact on the level of patient satisfaction. Day surgery is not without complications, with 26% of patients experiencing notable degrees of pain; 23% having minor medical problems after discharge; and 8% of respondents having to reattend hospital with problems relating to their original operations.