Hospital investigation of men and women treated for angina

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Abstract
All men and women aged 20 to 74 years in two general practices, who were receiving repeat prescriptions for antianginal drugs (nitrates, ß blockers, or calcium antagonists) were identified. One practice is in the most affluent ward of Newcastle (list size 10000) and the other in one of the most deprived wards (list size 11500). Patients were sent questionnaires, which included (a) questions on personal details such as occupation, (b) the Rose angina questionnaire,3 (c) the Canadian Cardiovascular Society's functional classification of angina questionnaire,4 and (d) a question on whether the patient had ever been referred to hospital for chest radiography, exercise electrocardiography, isotope scanning, echocardiography, or coronary angiography. Social class was defined according to the Office of Population Censuses and Surveys' standard occupational classification. Patients were classed as having angina if they met the criteria of the Rose questionnaire.3