Baseline characteristics of the included patients in CNSR-III (n=15 166)
| Characteristics | |
| Age (yr), mean±SD | 62.2±11.3 |
| Female, n(%) | 4802 (31.7) |
| Ethnicity (non-Han), n (%) | 440 (2.9) |
| Education, n(%) | |
| Elementary or below | 4292 (28.3) |
| Middle school | 4405 (29.1) |
| High school or above | 4282 (28.2) |
| Unkown | 2187 (14.4) |
| Current smoker, n(%) | 4752 (31.3) |
| Heavy drinker, n(%)* | 2126 (14.0) |
| Medical history, n(%) | |
| Ischaemic stroke | 3149 (20.8) |
| Coronary heart diseases | 1608 (10.6) |
| Atrial fibrillation | 1019 (6.7) |
| Hypertension | 9494 (62.6) |
| Diabetes mellitus | 3510 (23.1) |
| Hypercholesterolemia | 1191 (7.9) |
| Days from event onset to enrolment, median (IQR) | 2.0 (1.0–4.0) |
| NIHSS at admission, median (IQR) | 3 (1–6) |
| Stroke type | |
| TIA | 1020 (6.7) |
| IS | 14 146 (93.3) |
| NIHSS 0–3 | 7319 (51.7) |
| NIHSS≥4 | 6827 (48.3) |
*Heavy drinker was defined as ≥2 standard alcohol consumption/per day.
CNSR-III, the Third China National Stroke Registry; IS, ischaemic stroke; NIHSS, National Institutes of Health Stroke Scale score; TIA, transient ischaemic attack.