Table 1.
Baseline characteristics in each chest pain type comparing South Asian and White participants
| Ethnic group | Whole cohort | No chest pain | Non-exertional chest pain | Exertional chest pain | Typical angina | Pfor trend across chestpain types | |
|---|---|---|---|---|---|---|---|
| n | South Asian | 580 | 312 | 134 | 73 | 58 | |
| White | 9195 | 5444 | 2619 | 587 | 534 | ||
| Age in years, mean (SD) | South Asian | 45.65 (5.7) | 45.26 (6.0) | 45.71 (5.3) | 46.14 (5.7) | 47.14 (5.0) | 0.115 |
| White | 44.31 (6.1) | 44.36 (6.1) | 43.77 (5.9) | 44.70 (6.2) | 45.90 (6.1) | <0.001 | |
| Men | South Asian | 357 (61.6) | 183 (41.3) | 100 (74.6) | 45 (61.6) | 27 (46.6) | 0.482 |
| White | 6309 (68.6) | 3591 (66.0) | 2019 (77.1) | 387 (65.9) | 308 (57.7) | 0.726 | |
| Ex/current smoker | South Asian | 190 (33.0) | 96 (31.2) | 50 (37.6) | 28 (38.4) | 16 (27.6) | 0.758 |
| White | 4767 (52.3) | 2700 (50.1) | 1425 (54.8) | 334 (57.3) | 300 (56.9) | <0.001 | |
| Hypertensive | South Asian | 70 (12.1) | 32 (10.3) | 11 (8.2) | 10 (13.7) | 16 (27.6) | 0.002 |
| White | 714 (7.8) | 410 (7.5) | 168 (6.4) | 52 (8.9) | 83 (15.5) | <0.001 | |
| Cholesterol, mean (SD) in mmol/l | South Asian | 5.96 (1.2) | 5.90 (1.2) | 5.94 (1.2) | 5.95 (1.2) | 6.39 (1.5) | 0.052 |
| White | 5.97 (1.2) | 5.94 (1.2) | 5.94 (1.1) | 6.09 (1.2) | 6.19 (1.2) | <0.001 | |
| Hyperglycaemic | |||||||
| Diabetic | South Asian | 22 (3.8) | 9 (2.9) | 6 (4.6) | 4 (5.5) | 2 (3.5) | 0.464 |
| White | 61 (0.7) | 38 (0.7) | 14 (0.5) | 3 (0.5) | 6 (1.1) | 0.737 | |
| Impaired glucose tolerance | South Asian | 46 (7.9) | 25 (8.0) | 9 (6.7) | 7 (9.6) | 5 (8.6) | 0.784 |
| White | 561 (6.1) | 327 (6.0) | 157 (6.0) | 37 (6.3) | 40 (7.5) | 0.27 | |
| Metabolic syndrome | South Asian | 66 (15.9) | 34 (15.9) | 15 (14.7) | 6 (11.8) | 11 (23.4) | 0.516 |
| White | 754 (10.6) | 391 (9.5) | 214 (10.1) | 76 (16.2) | 73 (17.0) | <0.001 | |
| BMI, mean (SD) | South Asian | 24.44 (3.3) | 24.26 (3.4) | 24.64 (3.1) | 24.49 (2.9) | 24.84 (3.7) | 0.537 |
| White | 24.55 (3.5) | 24.42 (3.4) | 24.46 (3.2) | 25.16 (4.0) | 25.65 (4.0) | <0.001 | |
| Living with partner | South Asian | 487 (84.3) | 256 (82.6) | 118 (88.1) | 61 (83.6) | 50 (86.2) | 0.424 |
| White | 6766 (73.8) | 3995 (73.6) | 1987 (76.2) | 403 (69.0) | 375 (70.4) | 0.146 | |
| Family history | South Asian | 227 (39.1) | 115 (36.9) | 52 (38.8) | 32 (43.8) | 27 (46.6) | 0.106 |
| White | 3599 (39.1) | 2060 (37.8) | 1029 (39.3) | 247 (42.1) | 259 (48.5) | <0.001 | |
| Employment grade, low | South Asian | 290 (50.0) | 158 (50.6) | 55 (41.0) | 43 (58.9) | 32 (55.2) | 0.514 |
| White | 1733 (18.8) | 1095 (20.1) | 377 (14.4) | 124 (21.1) | 128 (24.9) | 0.703 | |
The categories of chest pain total 9184 White and 577 South Asian participants who had data on chest pain at Phase 1. The whole cohort comprises the 9195 White participants at Phase 1 and the 580 South Asian participants. Data are n (%) unless otherwise specified. Test for trend is age adjusted.