Table 2

Study patient risk factors

CharacteristicPresentUnknown2-150
Hypertension32.7% (128/391) 4.6% (18/391)
Hypercholesterolaemia60.1% (235/391)18.7% (73/391)
Myocardial infarction45.3% (177/391) 4.6% (18/391)
Diabetes10.0% (39/391) 4.3% (17/391)
Smoking
 Current 6.1% (24/391)
 Ex-smoker66.2% (259/391)
 Never smoked21.7% (85/391)
  • Hypercholesterolaemia, fasting cholesterol ⩾ 5.2 mmol/l.

  • 2-150 Presence or absence of diagnosis not confirmed by patient or case notes.