Data, such as age, gender, educational level, employment and
clinical status, such as time of diagnosis, CHD family history, smoking
status, alcohol consumption, documented cardiac co-morbidities and
treatment modalities, were collected from a review of patient records
and through patient interview using a structured proforma. Outpatients
who did not receive revascularisation therapy (percutaneous
coronary intervention/coronary artery bypass graft) were categorized
as receiving medical therapy, in view of their conservative
management.