Table 1 Baseline characteristics and vascular risk factor profiles of the study population
|  | Frequency (%) (n = 550) |
|---|---|
Demographic characteristics | |
 Male sex | 326 (59.3) |
 Age > 60 years | 293 (53.3) |
 Ethnicity | |
  Sinhalese | 517 (94.0) |
  Tamil | 14 (2.5) |
  Muslim | 13 (2.4) |
  Burgher | 5 (0.9) |
  Chinese | 1 (0.2) |
Vascular risk factors | |
 Hypertension | 347 (63.1) |
 Diabetes mellitus | 307 (55.8) |
 Hyperlipidaemia | 169 (30.7) |
 Current smoking | 137 (24.9) |
 Previous IHDa | 99 (18.0) |
 Previous stroke | 94 (17.1) |
 Previous TIAb | 48 (8.7) |