Table 2.
Independent predictors of 1-year late PSE risk based on backward elimination Cox regression and corresponding risk scores
| Independent variables | β-coefficient | (SE) | HR | (95% CI) | Risk scoring system
|
|
|---|---|---|---|---|---|---|
| Schneeweiss | Nearest integer | |||||
| Prolonged hospital staying (>2 weeks) | 0.42 | (0.06) | 1.52 | (1.36–1.70) | 1 | 0 |
| Seizure at stroke admission | 1.76 | (0.06) | 5.81 | (5.20–6.48) | 6 | 2 |
| Elderly patients (age ≥80 years) | 0.15 | (0.06) | 1.17 | (1.04–1.31) | 1 | 0 |
| ICU stay | 1.05 | (0.06) | 2.86 | (2.54–3.22) | 3 | 1 |
| Cognitive impairment (dementia) | 0.62 | (0.11) | 1.85 | (1.48–2.32) | 2 | 1 |
| Atrial fibrillation | 0.55 | (0.06) | 1.74 | (1.55–1.95) | 2 | 1 |
| Respiratory tract infection (pneumonia) on | 0.27 | (0.07) | 1.30 | (1.14–1.49) | 1 | 0 |
| stroke admission | ||||||
| Harrell’s C | (0.789) | – | – | – | (0.787) | (0.758) |
Abbreviations: ICU, intensive care unit; PSE, poststroke epilepsy.