Patient characteristics for stroke and TIA admissions by cerebrovascular event type
| Variables | Total (n=433 264) | IS (n=352 572) | TIA (n=30 362) | ICH (n=42 080) | SAH (n=5505) | SNC (n=2745) |
| Patient characteristics | ||||||
| Age in years, median (IQR) | 66.0 (57.0–75.0) | 66.0 (58.0–75.0) | 65.0 (56.0–74.0) | 63.0 (53.0–72.0) | 60.0 (50.0–68.0) | 66.0 (57.0–75.0) |
| Male, n (%) | 268 106 (61.9) | 220 281 (62.5) | 17 656 (58.2) | 26 414 (62.8) | 2296 (41.7) | 1459 (53.2) |
| Ethnic Han, n (%) | 417 596 (96.4) | 340 362 (96.5) | 29 327 (96.6) | 40 090 (95.3) | 5215 (94.7) | 2602 (94.8) |
| Current smoking, n (%) | 101 786 (23.5) | 85 320 (24.2) | 6472 (21.3) | 8747 (20.8) | 850 (15.4) | 397 (14.5) |
| History of drinking, n (%) | 104 355 (24.1) | 85 617 (24.3) | 6695 (22.1) | 10 607 (25.2) | 952 (17.3) | 484 (17.6) |
| NIHSS, median (IQR) | 3 (2–7) | 3 (2–6) | – | – | – | 2 (0–7) |
| Medical history, n (%) | ||||||
| Prior stroke/TIA | 141 420 (32.6) | 117 909 (33.4) | 10 359 (34.1) | 11 490 (27.3) | 1084 (19.7) | 578 (21.1) |
| Hypertension | 279 251 (64.5) | 227 623 (64.6) | 17 537 (57.8) | 30 052 (71.4) | 2709 (49.2) | 1330 (48.5) |
| Diabetes mellitus | 84 204 (19.4) | 74 438 (21.1) | 5143 (16.9) | 3826 (9.1) | 365 (6.6) | 432 (15.7) |
| Dyslipidaemia | 35 862 (8.3) | 30 779 (8.7) | 2763 (9.1) | 1921 (4.6) | 187 (3.4) | 212 (7.7) |
| Prior CHD/MI | 48 492 (11.2) | 41 188 (11.7) | 3806 (12.5) | 2812 (6.7) | 339 (6.2) | 347 (12.6) |
| Atrial fibrillation/flutter | 22 212 (5.1) | 20 430 (5.8) | 926 (3.0) | 682 (1.6) | 53 (1.0) | 121 (4.4) |
| Prior heart failure | 4105 (0.9) | 3668 (1.0) | 190 (0.6) | 211 (0.5) | 17 (0.3) | 19 (0.7) |
| Carotid stenosis | 5574 (1.3) | 4797 (1.4) | 580 (1.9) | 131 (0.3) | 15 (0.3) | 51 (1.9) |
| PVD | 7648 (1.8) | 6635 (1.9) | 510 (1.7) | 372 (0.9) | 55 (1.0) | 76 (2.8) |
CHD/MI, coronary heart disease or myocardial infarction; ICH, intracerebral haemorrhage; IS, ischaemic stroke; NIHSS, The National Institutes of Health Stroke Scale; PVD, peripheral vascular disease; SAH, subarachnoid haemorrhage; SNC, stroke not classified; TIA, transit ischaemic attack.