Baseline characteristics of patients with acute ischaemic stroke in the China National Stroke Registry
| Level | n (%) | |
| Patient characteristics | ||
| Total | 12 027 | |
| Demographics | ||
| Age, years | Median (IQR) | 67 (57–75) |
| Gender | Male | 7407 (61.59) |
| Female | 4620 (38.41) | |
| Insurance scheme | UBMIS | 7311 (60.79) |
| NRCMS | 2027 (16.85) | |
| Commercial | 397 (3.30) | |
| Self-payment | 2292 (19.06) | |
| Transport to hospital by EMS | Yes | 1901 (15.81) |
| NIHSS score on admission | Median (IQR) | 4 (2–9) |
| Vascular risk factors | ||
| Previous stroke/TIA | Yes | 4088 (33.99) |
| Diabetes | Yes | 2593 (21.56) |
| Hypertension | Yes | 7672 (63.79) |
| Dyslipidaemia | Yes | 1344 (11.17) |
| CHD/previous MI | Yes | 1748 (14.53) |
| Atrial fibrillation | Yes | 892 (7.42) |
| PVD | Yes | 76 (0.63) |
| Ever smoking | Yes | 4779 (39.74) |
| Heavy drinking | Yes | 1873 (15.57) |
| Pre-existing comorbid conditions | ||
| Congestive heart failure | Yes | 250 (2.08) |
| Valvular heart disease | Yes | 288 (2.42) |
| Chronic obstructive pulmonary disease | Yes | 138 (1.15) |
| Hepatic cirrhosis | Yes | 41 (0.34) |
| Peptic ulcer disease | Yes | 336 (2.81) |
| Previous gastrointestinal bleeding | Yes | 184 (1.54) |
| Dementia/Alzheimer’s disease | Yes | 156 (1.30) |
| Cancer | Yes | 215 (1.80) |
| Deep venous thrombosis/pulmonary embolus | Yes | 77 (0.64) |
| Renal dialysis | Yes | 9 (0.08) |
| Prestroke dependence (mRS>2) | Yes | 1120 (9.31) |
| Glucose on admission (≥7.5 mmol/L) | Yes | 2328 (19.72) |
| Hospital characteristics | ||
| Total | 120 | |
| Hospital size | ||
| Beds | Median (IQR) | 1200 (700–1861) |
| Hospital type | ||
| Teaching | Yes | 62 (51.67) |
| Annual stroke discharges | Median (IQR) | 430 (310–601) |
| Geographical region | ||
| East | Yes | 70 (58.33) |
| Middle | Yes | 26 (21.67) |
| West | Yes | 24 (20.0) |
CHD, coronary artery disease; EMS, emergency medical service; MI, myocardial infarction; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; NRCMS, new rural cooperative medical scheme; PVD, peripheral vascular disease; TIA, transient ischaemic attack; UBMIS, urban basic medical insurance scheme.