Table 3.
Clinical characteristics of the different frailty groups.
| Clinical Characteristics | HFRS < 5 | HFRS 5–15 | HFRS > 15 | p-Value |
|---|---|---|---|---|
| age [median (IQR)] | 78.9 (9.6) | 83.8 (9.6) | 84.2 (7.2) | p < 0.001 |
| Female [n (%)] | 137 (57.6%) | 50 (68.5%) | 5 (71.4%) | p = 0.206 |
| Pneumonia [n (%)] | 27 (11.3%) | 11 (15.3%) | 1 (14.3%) | p = 0.664 |
| NIHSS at admission [median (IQR)] | 15 (9) | 14 (8) | 17 (6) | p = 0.254 |
| NIHSS at discharge [median (IQR)] | 7 (16) | 12 (35) | 15 (37) | p = 0.052 |
| mRS at discharge [median (IQR)] | 3 (4) | 4 (4) | 5 (3) | p = 0.027 |
| mRS at 90 days [median (IQR)] | 4 (2) | 5 (2) | 6 (5) | p < 0.001 |
| good outcome (mRS 0–2) [n (%)] | 95 (39.9%) | 14 (19.4%) | 0 (0%) | p < 0.001 |
| Charlson comorbidity index [median (IQR)] | 4 (2) | 5 (3.5) | 5 (2) | p < 0.001 |
| Elixhauser comorbidity index [median (IQR)] | 9 (10.5) | 15 (14) | 13 (10) | p = 0.005 |
| Hemicraniectomy [n (%)] | 9 (3.8%) | 2 (2.7%) | 0 (0%) | p = 0.811 |
| intravenous thrombolysis [n (%)] | 137 (57.6%) | 45 (51.6%) | 5 (71.4%) | p = 0.652 |
| in hospital death [n (%)] | 44 (18.5%) | 18 (25.0%) | 1 (14.3%) | p = 0.448 |
| mortality rate after 90 days [n (%)] | 79 (33.2%) | 36 (50.0%) | 5 (71.4%) | p = 0.005 |
IQR: interquartile range, NIHSS: National Institute of Health stroke score, mRS: modified Rankin Scale.