Patient characteristics by ethnicity
| White (n=630) | South Asian (n=488) | Chinese (n=216) | P value | |
| Age, mean (SD), years | 65.9 (13.0) | 62.2 (12.5) | 65.1 (12.6) | <0.0001 |
| Male | 276 (43.8%) | 355 (72.8%) | 154 (71.3%) | <0.0001 |
| English Language Survey | 630 (100%) | 440 (90.2%) | 161 (74.5%) | <0.0001 |
| Immigration status | <0.0001 | |||
| Canadian-born | 455 (72.1%) | 11 (2.3%) | 10 (4.6%) | |
| Immigrant <20 years | 15 (2.4%) | 189 (38.8%) | 81 (36.6%) | |
| Immigrant >20 years | 160 (25.4%) | 288 (59.0%) | 123 (56.9%) | |
| None documented | 1 (0.25) | 0 | 2 (0.9%) | |
| Marital status | <0.0001 | |||
| Married/Common law | 362 (57.4%) | 383 (78.5%) | 174 (80.6%) | |
| Other | 269 (42.7%) | 105 (21.6%) | 42 (19.5%) | |
| Highest level education | 0.0001 | |||
| None | 8 (1.3%) | 31 (6.4%) | 7 (3.2%) | |
| <High school | 94 (14.9%) | 83 (17.0%) | 41 (19.0%) | |
| >High school | 529 (83.9%) | 374 (76.7%) | 168 (77.8%) | |
| None documented | 0 | 0 | 0 | |
| Current smoker | 123 (19.5%) | 53 (10.9%) | 27 (12.5%) | 0.0002 |
| Extent of coronary artery disease | <0.0001 | |||
| Normal/<50% disease | 92 (14.6%) | 50 (10.3%) | 36 (16.7%) | |
| 1–2-vessel disease | 148 (23.5%) | 91 (18.7%) | 33 (15.3%) | |
| 3-vessel disease/LAD | 272 (43.2%) | 293 (60.0%) | 109 (50.5%) | |
| Left main | 11 (1.8%) | 4 (0.8%) | 10 (4.6%) | |
| Not entered/missing | 107 (17.0%) | 50 (10.3%) | 28 (13.0%) | |
| Diabetes | 193 (30.6%) | 224 (45.9%) | 64 (29.6%) | <0.0001 |
| Chronic renal disease | 74 (11.7%) | 45 (9.2%) | 18 (8.3%) | 0.229 |
| Acute coronary syndrome | 0.187 | |||
| Unstable angina | 205 (32.5%) | 132 (27.1%) | 61 (28.2%) | |
| Non-STEMI | 228 (36.2%) | 208 (42.6%) | 83 (38.4%) | |
| STEMI | 188 (29.8%) | 145 (29.7%) | 68 (31.5%) | |
| Unspecified | 9 (1.5%) | 3 (0.6%) | 4 (1.8%) |
LAD, left anterior descending artery; STEMI, ST-elevation myocardial infarction.