Table 2. Population characteristics with confirmed atrial fibrillation status stratified by ethnicity.
| South Asian (n = 193) | White British (n = 462) | ||
|---|---|---|---|
| Mean (SD) | Mean (SD) | P-Value | |
| Age, years | 72.9 (12.3) | 77.2 (10.7) | <0.001 |
| Men, n (%) | 123 (63.7) | 252 (54.5) | 0.030 |
| TOAST Stroke Subtype | n, (%) | n, (%) | P-Value |
| Large-artery atherosclerosis | 7 (4.5) | 68 (18.6) | <0.001 |
| Small-vessel occlusion | 18 (11.5) | 60 (16.4) | 0.15 |
| Cardioembolism | 105 (67.3) | 198 (54.2) | 0.006 |
| Environmental Factors | n, (%) | n, (%) | P-Value |
| Height, cm | 165.7 (9.9) | 169.6 (9.7) | 0.043 |
| Central obesity, n (%) | 49 (31.4) | 102 (32.1) | 0.88 |
| New diagnosis, n (%) | 32 (16.6) | 99 (21.4) | 0.16 |
| Smoking history, n (%) | 56 (29.2) | 240 (52.4) | <0.001 |
| Alcohol history, n (%) | 41 (22.5) | 163 (42.1) | <0.001 |
| Comorbidities | n, (%) | n, (%) | P-Value |
| Hypertension | 174 (91.6) | 361 (78.5) | <0.001 |
| Diabetes | 103 (53.9) | 96 (21.0) | <0.001 |
| Hypercholesterolemia | 111 (61.0) | 167 (36.9) | <0.001 |
| Ischemic heart disease | 101 (54.0) | 119 (28.3) | <0.001 |
| Peripheral vascular disease | 7 (3.9) | 35 (8.5) | 0.049 |
| Treatment at admission | n, (%) | n, (%) | P-Value |
| Anticoagulation | 55 (28.5) | 130 (28.1) | 0.93 |
| Antiplatelet | 91 (47.4) | 125 (29.9) | <0.001 |
| Combined | 15 (7.8) | 10 (2.4) | 0.002 |
| Treatment at discharge | n, (%) | n, (%) | P-Value |
| Anticoagulation | 87 (45.1) | 199 (43.1) | 0.64 |
| Antiplatelet | 94 (49.5) | 143 (34.7) | 0.001 |
| Combined | 34 (17.9) | 33 (8.0) | <0.001 |
n, sample size; Central obesity classified by waist circumference (men: >102cm, women: >88 cm) or BMI (≥30 kg/m2). Stroke subtype uses the TOAST (trial of ORG 10172 in acute stroke treatment) classification.