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PubMed2000

Comparison of trends in method-specific suicide rates in Australia and England & Wales, 1968-97.

OBJECTIVE: To compare secular trends in method-specific suicide rates among young people in Australia and England & Wales between 1968 and 1997. METHODS: Australian data were obtained from the Australian Bureau of Statistics, and for England & Wales from the Office for National Statistics. Overall and method-specific suicide rates for 15-34 year old males and females were calculated using ICD codes E950-9 and E980-9 except E988.8. RESULTS: In both settings, suicide rates have almost doubled in young males over the past 30 years (from 16.8 to 32.9 per 100,000 in Australia and from 10.1 to 19.0 in England & Wales). Overall rates have changed little in young females. In both sexes and in both settings there have been substantial increases in suicide by hanging (5-7 fold increase in Australia and four-fold increase in England & Wales). There have also been smaller increases in gassing in the 1980s and '90s. In females, the impact of these increases on overall rates has been offset by a decline in drug overdose, the most common method in females. CONCLUSIONS: Rates of male suicide have increased substantially in both settings in recent years, and hanging has become an increasingly common method of suicide. The similarity in observed trends in both settings supports the view that such changes may have common causes. Research should focus on understanding why hanging has increased in popularity and what measures may be taken to diminish it.

Adolescent↗
PubMed1992

A comparison of perinatal outcome, antenatal and intrapartum care between England and Wales, and France.

OBJECTIVE: To compare the national statistics of England and Wales with the national statistics of France, and see if there are significant differences in obstetric care resulting in a significantly different perinatal outcome. DESIGN: Retrospective analysis of national statistics 1970-1989 (latest available figures) relating to perinatal outcome, antenatal and intrapartum care. SETTING: HIPE and DoH statistics (England and Wales); INSERM statistics (France). SUBJECTS: Pregnant women residents of England and Wales, and of France. INTERVENTIONS: Different aspects of obstetric care for which comparable data were available from national statistics. MAIN OUTCOME MEASURES: Perinatal mortality rate, incidence of low birth weight and preterm delivery; type of antenatal care, number of antenatal visits and in-patient admission rate; induction of labour rate, incidence of acceleration of labour with oxytocin, incidence of spontaneous and operative deliveries and person undertaking delivery; episiotomy rate and postnatal in-patient stay. RESULTS: More antenatal intervention and marginally less intrapartum intervention in England and Wales as compared with France. No significant difference in the perinatal mortality rate, in the incidence of low birth weight or preterm delivery, with similar trends being observed over the two decades. CONCLUSION: Significant differences in obstetric practices between the two countries without a major difference in perinatal outcome.

England↗
PubMed1996

Maternal mortality in England and Wales 1970-1985: an analysis by country of birth.

OBJECTIVE: To determine the risk of maternal mortality in immigrants to England and Wales. DESIGN: Analysis of death registrations, 1970-1985, by country of birth. SETTING: England and Wales. POPULATION: Women dying in England and Wales during pregnancy, childbirth or the puerperium, or dying from malignant tumour of the placenta. MAIN OUTCOME MEASURES: The risk of dying in pregnancy, childbirth or the puerperium, adjusted for age and year of death, and the risk of cause-specific death, adjusted for age, in immigrants compared with women born in England and Wales. RESULTS: Women born in West Africa (relative risk 10.3; 95% CI 8.0-13.2) and the Caribbean (4.6; 3.8-5.7) were at very elevated risk of maternal death and of the main causes of death. Women from Southern Asia (1.6; 1.3-2.0) and "Europe and the USSR' (1.7; 1.2-2.3) were at moderate risk. Adjustment for year of death increased the estimates of risk and women born in the "Rest of the World' and Scotland were at significantly elevated risk. CONCLUSIONS: An increased incidence of obstetric conditions in immigrant groups may account for the elevated risk but it is also possible that differences in care may account for some of the additional risk. The pattern of increased risk does not appear to be explicable by the parity or social class distribution of immigrants as far as data are available on these. Research is required into the aetiology of the differential incidence of obstetric disease. The collection of routine mortality data which include maternal reproductive and social factors would elucidate the significance of such factors to maternal health. Further investigation into possible differences in the process of antenatal care between immigrants and non-immigrants is required, and into whether this affects the risk of maternal mortality.

Adult↗
PubMed2000

Patterns in the incidence of age-related ovarian cancer in South East England 1967-1996.

OBJECTIVE: To study the age-related trends in the incidence rates of ovarian cancer in South East England between 1967 and 1996. DESIGN: A retrospective review of systematically collected data on ovarian cancer in South East England. METHODS: Data were obtained from the Thames Cancer Registry on the numbers and rates per 100,000 population of ovarian cancer per five-year age group (0-85+) in the 30-year period from 1967 to 1996 from the 26 health authorities in the Thames region. Linear regression was performed to determine the changes in incidence rates of ovarian cancer per age group over time. MAIN OUTCOME MEASURES: The change in overall incidence of ovarian cancer in South East England, as well as the change in incidence of ovarian cancer in each five-year age groups (20-85+) in the 30-year study period. RESULTS: There was a strong positive correlation between ovarian cancer rates and year of diagnosis in women aged > or = 70 years, and this was particularly marked in women > 85 years of age. There was a negative correlation between rates and year of diagnosis in women aged 45-59 years. The analysis did not demonstrate a significant correlation between ovarian cancer rates and year of diagnosis in women < 44 years of age or women aged 60-69 years. CONCLUSIONS: There have been significant changes in the pattern of ovarian cancer incidence in South East England during the 30-year period studied. The observed changes in ovarian cancer incidence in younger women may, in part, be explained by known reproductive factors. The rise in ovarian cancer rates among the older age group is difficult to explain, but has important implications for the future planning and provision of cancer services.

Adult↗
PubMed2001

Hysterectomy prevalence and adjusted cervical and uterine cancer rates in England and Wales.

OBJECTIVE: To present recent trends in cervical and uterine cancer adjusted for true population at risk, using accurate estimates of the prevalence of hysterectomy where the cervix has been removed or not. To describe trends and projections of hysterectomy incidence and prevalence with and without cervix removal. DESIGN: Collation of available NHS and private sector information. SETTING: England and Wales. SAMPLE: NHS operations from Hospital Inpatient Enquiry, Hospital Episode Statistics and Hospital Activity Analysis for England and Wales. Private sector data from surveys with up to 97% coverage. METHODS AND MAIN OUTCOME: Measures NHS data by 5-year age group, year and operation type were collated for 1961-1995. non-NHS operations for 1981, 1986, and 1992/3 were back-projected. Hysterectomy incidence rates, 1961-95, were back-projected to estimate prevalence rates by accumulation. True populations at risk of disease and hysterectomy were calculated by applying one minus the relevant hysterectomy prevalence rates to the population by age group and year. RESULTS: When based on the true population at risk, the age standardised cervical cancer incidence rate in 1992 was 14.4 per 100,000, compared with 12.6 when based on the all women population estimate. Incidence rates for earlier years were also affected, but there was no important effect on the rate of change over time. Absolute changes for uterine cancer are greater because the true population at risk is proportionally smaller particularly at the older ages, but there are again no major effects on the rate of change. By 1995 2.3 million women in England and Wales were without a uterus, with a peak prevalence of 21.3% in the age group 55-59. Projections based on 1995 incidence rates show hysterectomy prevalence for the screened age groups, 25-64, will now fall. Subtotal hysterectomy is 3.5% of operations and increasing. CONCLUSIONS: True populations at risk must be used to assess the impact of screening if further reductions in cervix cancer incidence rates are not to be masked. It is essential to monitor hysterectomy by type, as subtotal hysterectomy is becoming more common. Hysterectomy incidence may have peaked. Hysterectomy prevalence in England and Wales may not be as high as would be estimated from some regional studies.

Adolescent↗
PubMed1997

Oral cancer in the North-East of England: incidence, mortality trends and the link with material deprivation.

This study set out to determine the incidence of, and mortality from, oral cancer in the North-East of England between the mid-1970s and the early 1990s; to investigate its relation to material deprivation; and to test the completeness of cancer registry data. The Northern Region Cancer Registry provided details of registrations, deaths and population estimates. For analyses by deprivation, Small Area Statistics were obtained from the 1981 and 1991 censuses. In a selected sample district, 100% completeness and 89% accuracy of cancer registration of these conditions were found. For both tongue and mouth cancer, age- and sex-specific incidence and mortality rates rose with age and there was little change with time. When age-standardised registration and mortality ratios were compared between the Northern Region and England & Wales, only those for mouth cancer in males were significantly different. Crude survival from cancer of the tongue in males improved in the Northern Region from 1971-74 to 1983-86 but there was no improvement in females nor for cancer of the mouth in both sexes. In males for both tongue and mouth cancer, there was a graded increase in the standardised registration and mortality ratios from the most affluent to the most deprived areas but these differences were less marked in females. These differences in mouth cancer incidence found between England & Wales and the Northern Region probably reflect differences in lifestyles. The North ranks worst among the regions of England & Wales on a number of criteria of material deprivation, and long-term unemployment is one of the highest in the country. The analysis by deprivation has shown a clear relation to material deprivation. Whether socio-economic deprivation per se or a different risk factor behaviour associated with deprivation (smoking, alcohol consumption, poor diet) is the cause of these differences is not known. However, it is very likely that different risk factor behaviour plays a major part.

Adult↗
PubMed1993

Beneath the surface of coronal caries: primary decay, recurrent decay, and failed restorations in a population-based survey of New England elders.

A cross-sectional study was conducted of the oral health status of a random sample of community dwelling elders, aged 70 and older, living within the six New England states. Four examining teams, each composed of a trained and calibrated dentist and a field technician, collected data during an in-home oral examination. The prevalence of carious, filled, recurrent decayed, and non-carious but failed restored coronal surfaces was recorded. For the 1,151 respondents, the mean DFT was 6.16 (SD = 6.96) and the mean DFS was 18.83 (SD = 23.37), with 37.6 percent of the sample edentulous. Eleven percent of the population had 70 percent of the coronal decay. Males (OR = 2.2, CI = 1.3-3.8) and elders with less education (OR = 1.8, CI = 1.0-3.0) were at higher risk for three or more surfaces of coronal decay. Recurrent decay was present in 16 percent of the dentate population. However, more noncarious but failed restored coronal surfaces (332) were recorded in the population of New England elders than were surfaces of recurrent decay (234). The New England elders have higher rates of decay than New England children, although the rates matched those of previous national studies. The findings signal a need to develop targeted preventive regimens for older adults and greater understanding of dental treatment needs of elders.

Aged↗
PubMed2000

Effect of severity of disability on survival in north east England cerebral palsy cohort.

AIMS: To investigate the effect of motor and cognitive disabilities on the survival of people on the North of England Collaborative Cerebral Palsy Survey, and compare this with other published results. METHODS: The cerebral palsy cohort consists of 1960-1990 births in Northumberland, Newcastle, and North Tyneside health districts. Survival and cause of death were analysed in relation to data on birth, disabilities, and a unique measure of the impact of disability. RESULTS: Disability strongly influences survival. More than a third of those with a severe disability die before age 30. Fewer than a third of deaths are attributed to cerebral palsy on death certificates. Of those with severe cognitive disability, 63% live to age 35 (58% with severe ambulatory disability and 53% with severe manual disability), whereas at least 98% without severe disabilities live to age 35. The Lifestyle Assessment Score (LAS) allows a finer categorisation of impact of disability, and is strongly associated with survival: a ten point increase in LAS is associated with a doubling of the hazard rate. People who had LAS of at least 70, and had survived to age 5 have a 39% chance of dying before age 35. CONCLUSIONS: The majority of people with cerebral palsy attain adulthood. There appears to be more variation in survival rates associated with severe disability between regions of England, than between north east England, British Columbia, and California. Instantaneous risks of dying vary widely between England and California. This variation is not obviously attributable to differing rates of severe disability.

Birth Weight↗
PubMed1980

National survey of tuberculosis notifications in England and Wales 1978--9. Report from the Medical Research Council Tuberculosis and Chest Diseases Unit.

A survey of all tuberculosis notifications in England and Wales for a six-month period showed that 70% of 3732 newly notified, previously untreated patients had respiratory disease only, 23% had non-respiratory disease only, and 7% had both. Fifty-seven per cent of patients were of white and 35% were of Indian subcontinent (Indian, Pakistani, or Bangladeshi) ethnic origin, the latter group contributing over half the cases of non-respiratory disease. The estimated overall annual notification rate per 100 000 population for 1978--9 was 16.4 for England and 13.5 for Wales. The rates differed considerably between the different ethnic groups in England, the highest rates occurring in the Indian and in the Pakistani and Bangladeshi groups and the lowest in the white group; the differences in the non-respiratory rates were the more striking. Nearly a quarter of patients with respiratory disease had large pulmonary lesions, the proportion being higher for the white group than for the Indian subcontinent group. Over half the patients had positive cultures for tubercle bacilli and over a third had positive smears; both proportions were higher for the white group. This survey has identified many of the problems which tuberculosis presents in England and Wales today. These include the substantial number of patients with sputum-positive disease, the considerable variation in the rates in the different ethnic groups, and the not uncommon occurrence of childhood tuberculosis.

Adolescent↗
PubMed1981

Survey of sickle-cell disease in England and Wales.

The incidence and the clinical course of patients suffering from sickle-cell syndrome (Hb SS; Hb SC; Hb S thal) in England and Wales are not known. In 1979 an ad hoc committee was formed to investigate these problems. Initially, a questionnaire was sent to 227 haematologists in England and Wales to determine the number of cases in these countries. The replies have indicated that 1367 cases were seen in 1978 and 1979. Probably this may represent only half the total number of cases. From this survey it has been possible to draw up a composite map showing the location of patients, which has provided a basis to determine the clinical course of the disease, and for further studies into the complications and management of sickle-cell disease in England and Wales. From a second questionnaire preliminary data about the general management and mortality in England and Wales have been recorded.

Adolescent↗
PubMed1995

Increasing incidence of tuberculosis in England and Wales: a study of the likely causes.

OBJECTIVE: To examine factors responsible for the recent increase in tuberculosis in England and Wales. DESIGN: Study of the incidence of tuberculosis (a) in the 403 local authority districts in England and Wales, ranked according to Jarman score, and (b) in one deprived inner city district, according to ethnic origin and other factors. SETTING: (a) England and Wales 1980-92, and (b) the London borough of Hackney 1986-93. MAIN OUTCOME MEASURE: Age and sex adjusted rate of tuberculosis. RESULTS: In England and Wales notifications of tuberculosis increased by 12% between 1988 and 1992. The increase was 35% in the poorest 10th of the population and 13% in the next two; and in the remaining 70% there was no increase. In Hackney the increase affected traditionally high risk and low risk ethnic groups to a similar extent. In the "low risk" white and West Indian communities the incidence increased by 58% from 1986-8 (78 cases) to 1991-3 (123), whereas in residents of Indian subcontinent origin the increase was 41% (from 51 cases to 72). Tuberculosis in recently arrived immigrants--refugees (11% of the Hackney population) and Africans (6%)--accounted for less than half of the overall increase, and the proportion of such residents was much higher than in most socioeconomically deprived districts. The local increase was not due to an increase in the proportion of cases notified, to HIV infection, nor to an increase in homeless people. CONCLUSIONS: The national rise in tuberculosis affects only the poorest areas. Within one such area all residents (white and established ethnic minorities) were affected to a similar extent. The evidence indicates a major role for socioeconomic factors in the increase in tuberculosis and only a minor role for recent immigration from endemic areas.

Asia↗
PubMed1996

Prevalence of antibiotic resistance and serotypes in pneumococci in England and Wales: results of observational surveys in 1990 and 1995.

OBJECTIVE: To assess the prevalence of antibiotic resistance and serotype distribution among pneumococci in England and Wales in 1990 and 1995. DESIGN: Observational surveys in March 1990 and March 1995. During two weeks in each survey period all pneumococci isolated in public health laboratories in England and Wales were collected and assessed for sensitivity to antibiotics and the distribution of serogroups or serotypes. SETTING: The network of public health laboratories throughout England and Wales. SUBJECTS: 1127 individual patient isolates of Streptococcus pneumoniae obtained during the two surveys. MAIN OUTCOME MEASURES: Sensitivity or resistance to a range of antibiotics; serogroup or serotype. RESULTS: The prevalence of intermediate or full resistance to penicillin increased from 1.5% in 1990 to 3.9% in 1995 and resistance to erythromycin increased from 2.8% to 8.6%. About 92% of isolates belonged to serogroups or serotypes included in the currently available pneumococcal vaccine. CONCLUSION: Resistance to penicillin and erythromycin has increased among pneumococci in England and Wales. Continued surveillance to assess further increases in the prevalence of pneumococcal resistance to antibiotics is essential.

Anti-Bacterial Agents↗
PubMed2005

Childhood cancer in relation to distance from high voltage power lines in England and Wales: a case-control study.

OBJECTIVE: To determine whether there is an association between distance of home address at birth from high voltage power lines and the incidence of leukaemia and other cancers in children in England and Wales. DESIGN: Case-control study. SETTING: Cancer registry and National Grid records. SUBJECTS: Records of 29 081 children with cancer, including 9700 with leukaemia. Children were aged 0-14 years and born in England and Wales, 1962-95. Controls were individually matched for sex, approximate date of birth, and birth registration district. No active participation was required. MAIN OUTCOME MEASURES: Distance from home address at birth to the nearest high voltage overhead power line in existence at the time. RESULTS: Compared with those who lived > 600 m from a line at birth, children who lived within 200 m had a relative risk of leukaemia of 1.69 (95% confidence interval 1.13 to 2.53); those born between 200 and 600 m had a relative risk of 1.23 (1.02 to 1.49). There was a significant (P < 0.01) trend in risk in relation to the reciprocal of distance from the line. No excess risk in relation to proximity to lines was found for other childhood cancers. CONCLUSIONS: There is an association between childhood leukaemia and proximity of home address at birth to high voltage power lines, and the apparent risk extends to a greater distance than would have been expected from previous studies. About 4% of children in England and Wales live within 600 m of high voltage lines at birth. If the association is causal, about 1% of childhood leukaemia in England and Wales would be attributable to these lines, though this estimate has considerable statistical uncertainty. There is no accepted biological mechanism to explain the epidemiological results; indeed, the relation may be due to chance or confounding.

Adolescent↗
PubMed2004

Congenital anomaly surveillance in England--ascertainment deficiencies in the national system.

OBJECTIVE: Firstly, to assess the completeness of ascertainment in the National Congenital Anomaly System (NCAS), the basis for congenital anomaly surveillance in England and Wales, and its variation by defect, geographical area, and socioeconomic deprivation. Secondly, to assess the impact of the lack of data on pregnancies terminated because of fetal anomaly. DESIGN: Comparison of the NCAS with four local congenital anomaly registers in England. SETTING: Four regions in England covering some 109,000 annual births. PARTICIPANTS: Cases of congenital anomalies registered in the NCAS (live births and stillbirths) and independently registered in the four local registers (live births, stillbirths, fetal losses from 20 weeks' gestation, and pregnancies terminated after prenatal diagnosis of fetal anomaly). MAIN OUTCOME MEASURE: The ratio of cases identified by the national register to those in local registry files, calculated for different specified anomalies, for whole registry areas, and for hospital catchment areas within registry boundaries. RESULTS: Ascertainment by the NCAS (compared with data from local registers, from which terminations of pregnancy were removed) was 40% (34% for chromosomal anomalies and 42% for non-chromosomal anomalies) and varied markedly by defect, by local register, and by hospital catchment area, but not by area deprivation. When terminations of pregnancy were included in the register data, ascertainment by NCAS was 27% (19% for chromosomal anomalies and 31% for non-chromosomal anomalies), and the geographical variation was of a similar magnitude. CONCLUSION: The surveillance of congenital anomalies in England is currently inadequate because ascertainment to the national register is low and non-uniform and because no data exist on termination of pregnancy resulting from prenatal diagnosis of fetal anomaly.

Abortion, Induced↗
PubMed1996

Recent trends in the incidence of multiple births and associated mortality in England and Wales.

AIM: To review trends in multiple births and associated mortality in England and Wales since 1975, in the light of trends for earlier years; to assess, within the limitations of the available data, the extent of any association between multiple birth rates and assisted conception and drugs used for subfertility. METHODS: Data collected routinely in England and Wales, between 1975 and 1994, were retrospectively reviewed. These comprised Office of Population Censuses and Surveys (OPCS) data collected at the registration of live and stillbirths and deaths occurring under the age of 1 year in England and Wales from 1975 onwards. Department of Health data about NHS prescriptions dispensed outside hospitals within England for drugs which could be used in the medical management of subfertility were also included. RESULTS: The proportion of pregnancies that resulted in a registered multiple birth increased from a low of 9.9 per thousand in 1975 to 13.6 per thousand in 1994. Up to 1992, the increase was seen in all age groups except for women under 20, with the most substantial increase being in women aged 35 to 39. The rise in the rate of triplet and other higher order births was much steeper than that for all multiple births, increasing from 0.13 sets of triplets per thousand maternities in 1975, to 0.41 in 1994. Prescriptions dispensed for selected drugs that may be used for the medical management of subfertility and assisted conception became more common over this period. The fragmented nature of the data precluded direct comparison with changes in multiple birth rates, however. CONCLUSIONS: Although the causes of the rise since 1980 in multiple birth rates in general, and the dramatic rise in the triplet rate in particular, cannot be ascertained or quantified directly from routinely collected data, drugs used for subfertility and more recently, assisted conception, probably had a major role.

Adult↗
PubMed2002

Recent trends in admissions and mortality due to peptic ulcer in England: increasing frequency of haemorrhage among older subjects.

BACKGROUND: Although overall admission rates for peptic ulcer in England declined from the 1950s up until the mid 1980s, perforations among older women increased, possibly due to increasing use of non-steroidal anti-inflammatory drugs (NSAID). Since then, proton pump inhibitors, antibiotic treatment for Helicobacter pylori, low dose aspirin, and selective serotonin reuptake inhibitors (SSRI) have been introduced Aims: To determine time trends for hospital admissions for peptic ulcer from 1989 to 1999 (England), mortality from 1958 to 1998 (England and Wales), and prescriptions for ulcer healing drugs, aspirin, NSAID, oral anticoagulants, and SSRI from 1990 to 1999 (England). METHODS: Hospital episode statistics for admissions and mortality were obtained from the Office of National Statistics: community prescription data from Statistics Division 1E of the Department of Health. RESULTS: Between 1989/90 and 1998/99, there was a marked rise in admissions for haemorrhage in older patients, particularly from duodenal ulcer. Perforations from gastric ulcer declined but perforations from duodenal ulcer increased among men at older ages. Since the mid 1980s mortality has declined in all age groups except for older women with duodenal ulcer. The number of prescriptions for histamine H(2) receptor antagonists remained constant but those for proton pump inhibitors increased by 5000%, aspirin 75mg by 460%, oral anticoagulants by 200%, and NSAID by 13% between 1990 and 1999. Since the introduction of SSRI in 1991, prescriptions have increased 15-fold. CONCLUSIONS: Admission rates for gastric and duodenal ulcer haemorrhage and duodenal ulcer, but not gastric ulcer perforation, increased among older subjects, over a time when prescriptions for proton pump inhibitors, low dose aspirin, oral anticoagulants, and SSRI increased.

Adult↗
PubMed2005

Geographical variation in life expectancy at birth in England and Wales is largely explained by deprivation.

STUDY OBJECTIVE: To describe the population mortality profile of England and Wales by deprivation and in each government office region (GOR) during 1998, and to quantify the influence of geography and deprivation in determining life expectancy. DESIGN: Construction of life tables describing age specific mortality rates and life expectancy at birth from death registrations and estimated population counts. Life tables were created for (a) quintiles of income deprivation based on the income domain score of the index of multiple deprivation 2000, (b) each GOR and Wales, and (c) every combination of deprivation and geography. SETTING: England and Wales.PATIENTS/ PARTICIPANTS: Residents of England and Wales, 1998. MAIN RESULTS: Life expectancy at birth varies with deprivation quintile and is highest in the most affluent groups. The differences are mainly attributable to differences in mortality rates under 75 years of age. Regional life expectancies display a clear north-south gradient. Linear regression analysis shows that deprivation explains most of the geographical variation in life expectancy. CONCLUSIONS: Geographical patterns of life expectancy identified within these data for England and Wales in 1998 are mainly attributable to variations in deprivation status as defined by the IMD 2000 income domain score.

Adolescent↗
PubMed2005

Breast cancer survival in South Asian women in England and Wales.

STUDY OBJECTIVES: To estimate ethnic and socioeconomic differences in breast cancer incidence and survival between South Asians and non-South Asians in England and Wales, and to provide a baseline for surveillance of cancer survival in South Asians, the largest ethnic minority. SETTING: 115 712 women diagnosed with first primary invasive breast cancer in England and Wales during 1986-90 and followed up to 1995. METHODS/DESIGN: Ethnic group was ascribed by a computer algorithm on the basis of the name. Incidence rates were derived from 1991 census population denominators for each ethnic group. One and five year relative survival rates were estimated by age, quintile of material deprivation, and ethnic group, using national mortality rates to estimate expected survival. MAIN RESULTS: Age standardised incidence was 29% lower among South Asian women (40.5 per 100 000 per year) than among all other women (57.4 per 100 000). Five year age standardised relative survival was 70.3% (95%CI 65.2 to 75.4) for South Asian women and 66.7% (66.4 to 67.0) for other women. For both ethnic groups, survival was 8%-9% higher for women in the most affluent group than those in the most deprived group. In each deprivation category, however, survival was 3%-8% higher for South Asian women than other women. CONCLUSIONS: This national study confirms that breast cancer incidence is substantially lower in South Asians than other women in England and Wales. It also provides some evidence that South Asian women diagnosed up to 1990 had higher breast cancer survival than other women in England and Wales, both overall and in each category of deprivation.

Age Distribution↗