Table 2 Characteristics of the validation cohort
Characteristics | n = 3630 |
|---|---|
Age, mean (SD) | 67.6 (12.7) |
Female | 1474 (40.6) |
LOS, median (IQR) | 5 (4–9) |
Modified CCI | |
 0 or 1 | 2512 (69.2) |
  ≥ 2 | 1118 (30.8) |
Vascular risk factors | |
 Hypertension | 2729 (75.2) |
 Diabetes mellitus | 1658 (45.7) |
 Hyperlipidemia | 1445 (39.8) |
 Prior stroke | 689 (19.0) |
 Atrial fibrillation | 360 (9.9) |
 Coronary heart disease | 198 (5.5) |
 Chronic kidney disease | 103 (2.8) |
Stroke severity | |
 NIHSS, mean (SD) | 7.1 (7.8) |
 SSI, mean (SD) | 6.8 (4.8) |
Components of SSI | |
 Airway suctioning | 542 (14.9) |
 Bacterial sensitivity test | 553 (15.2) |
 General ward stay | 3602 (99.2) |
 ICU stay | 387 (10.7) |
 Nasogastric intubation | 802 (22.1) |
 Osmotherapy (mannitol or glycerol) | 192 (5.3) |
 Urinary catheterization | 742 (20.4) |