Table 1.
Comparison of training set and testing set.
| Variable | Total | Training set | Testing set | P -value |
|---|---|---|---|---|
| N = 1,090 | n = 872 | n = 218 | ||
| Age ≥60 y, n (%) | 600 (55.0%) | 478 (54.8%) | 122 (56.0%) | 0.761 |
| Male, n (%) | 738 (67.7%) | 588 (67.4%) | 150 (68.8%) | 0.698 |
| Smoking, n (%) | 382 (35.0%) | 290 (33.3%) | 92 (42.2%) | 0.013 |
| NIHSS >5 on admission, n (%) | 313 (28.8%) | 261 (30.0%) | 52 (24.2%) | 0.092 |
| mRS score >1 before stroke, n (%) | 23 (2.1%) | 17 (1.9%) | 6 (2.8%) | 0.435 |
| Medical history, n (%) | ||||
| Stroke | 243 (22.3%) | 190 (21.8%) | 53 (24.3%) | 0.423 |
| Coronary heart diseases | 128 (11.7%) | 98 (11.2%) | 30 (13.8%) | 0.301 |
| Atrial fibrillation | 60 (5.5%) | 52 (6.0%) | 8 (3.7%) | 0.184 |
| Hypertension | 648 (59.4%) | 519 (59.5%) | 129 (59.2%) | 0.926 |
| Diabetes mellitus | 225 (20.7%) | 171 (19.6%) | 54 (24.8%) | 0.094 |
| Dyslipidemia | 114 (10.5%) | 99 (11.4%) | 15 (6.9%) | 0.053 |
| Laboratory examination | ||||
| White blood cell >9.5 × 109 /L, n (%) | 171 (15.7%) | 136 (15.6%) | 35 (16.1%) | 0.868 |
| Neutrophil >6.3 × 109 /L, n (%) | 214 (19.6%) | 168 (19.3%) | 46 (21.1%) | 0.542 |
| TC ≥5.2 mmol/L, n (%) | 191 (17.7%) | 164 (19.1%) | 27 (12.4%) | 0.021 |
| LDL-C ≥3.61 mmol/L, n (%) | 158 (14.7%) | 135 (15.8%) | 23 (10.6%) | 0.053 |
| HDL-C ≤ 0.91 mmol/L, n (%) | 252 (23.1%) | 196 (22.5%) | 56 (25.7%) | 0.315 |
| Short-term outcome, n (%) | ||||
| Poor outcome (mRS >2) | 165 (15.1%) | 134 (15.4%) | 31 (14.2%) | 0.673 |
NIHSS, national institute of health stroke scale; mRS, modified rankin scale; TC, total cholesterol; LDL-C, low density lipoprotein-cholesterol; HDL-C, high-density lipoprotein cholesterol.