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Missing, mediocre, or merely obsolete? An evaluation of UK data sources for coronary heart disease
B Unal1, J A Critchley, S Capewell
1Department of Public Health, Liverpool University, Liverpool, UK. belgina@liv.ac.uk
Insights
UK Coronary Heart Disease (CHD) data is fragmented and of mixed quality. Comprehensive population-based information on CHD patient numbers, treatment uptake, and risk factors is lacking, hindering effective prevention and treatment strategies.
Area of Science:
- Public Health
- Epidemiology
- Health Informatics
Background:
- Coronary Heart Disease (CHD) is the leading cause of mortality in the UK.
- A comprehensive, unified data source for CHD prevention and treatment strategies is currently unavailable.
- Existing data sources are fragmented and vary in quality.
Purpose of the Study:
- To evaluate the availability and quality of UK Coronary Heart Disease (CHD) data sources since 1981.
- To assess data on CHD patient numbers, treatment uptake, and cardiovascular risk factor trends.
- To identify gaps in CHD data for targeted public health interventions.
Main Methods:
- Systematic appraisal of UK data sources for England and Wales (population 53 million).
- Evaluation focused on CHD patient demographics (myocardial infarction, angina, hypertension, heart failure).
- Assessed uptake of medical and surgical CHD treatments and population trends in cardiovascular risk factors.
Main Results:
- Population and mortality data are accessible from sources like the Office for National Statistics and British Heart Foundation.
- Risk factor data improved from 1981 to 2000, primarily from studies like the British Regional Heart Study.
- Hospital admission data (since 1998) lack trend details and intervention specifics; primary care data are limited.
Conclusions:
- UK Coronary Heart Disease (CHD) information is fragmented, incomplete, and of variable quality.
- Data scarcity for women, the elderly, and ethnic minorities exacerbates health inequalities.
- Future CHD monitoring requires comprehensive, accurate population-based data on patient trends, treatment, and risk factors.
Study Objective:
Coronary heart disease (CHD) is the commonest cause of death in the UK. However, there is no single comprehensive source of information to support CHD prevention and treatment strategies. Therefore this study evaluated the availability and quality of UK CHD data sources since 1981.
Design:
Data sources for England and Wales were identified and appraised on: (1) CHD patient numbers (myocardial infarction, angina, hypertension, and heart failure); (2) uptake of medical and surgical CHD treatments, and (3) population trends in major cardiovascular risk factors.
Setting:
England and Wales (population 53 million).
Main Results:
Population and mortality data were easily accessible from Office for National Statistics and British Heart Foundation Annual CHD Statistics; population based risk factor data came principally from the British Regional Heart Study, the General Household Survey, and the Health Survey for England. They were limited for 1981, but more extensive by 2000. Hospital admissions information since 1998 was available online from HES; but trend data and details of interventions were scant. Limited primary care data on consultation rates, prescribing, and treatment uptake were available from published audits and studies.
Conclusions:
Information on CHD in the UK is fragmented, patchy, and mixed in quality. Data for women, the elderly populatiom, and ethnic minorities were particularly scarce, exacerbating inequalities. Future CHD disease monitoring and evaluation will require comprehensive and accurate population based information on trends in patient numbers, treatment uptake, and risk factors.