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) |
Data are numbers (percentage) unless specified otherwise
CCI Charlson comorbidity index, ICU intensive care unit, IQR interquartile range, LOS length of stay, NIHSS National Institutes of Health Stroke Scale, SD standard deviation, SSI stroke severity index