Table 2.
Characteristics of Patients from Institution 1 and Institution 2, stratified by seizure occurrence
| Institution 1 | Institution 2 | |||||
|---|---|---|---|---|---|---|
| Variable | No seizure N=582 | Seizure N=52 | P | No seizure N=207 | Seizure N=23 | P |
| N (%) or median [IQR] | N (%) or median [IQR] | |||||
| Age <65 | 290 (49.8) | 26 (50.0) | 1 | 120 (58.0) | 14 (60.9) | 1 |
| ICH Volume ( > 10 mL) | 341 (58.6) | 35 (67.3) | 0.3 | 119 (57.5) | 18 (78.3) | 0.09 |
| Hematoma Location (Cortical) | 200 (34.4) | 34 (65.4) | <0.001 | 51 (24.6) | 13 (56.5) | 0.003 |
| Anti-coagulant Use | 71 (12.2) | 11 (21.2) | 0.1 | 17 (8.2) | 5 (21.7) | 0.09 |
| Antiplatelet Use | 190 (32.6) | 22 (42.3) | 0.2 | 75 (36.2) | 9 (39.1) | 1 |
| GCS | 0.02 | 0.07 | ||||
| 13–15 | 326 (56.0) | 18 (34.6) | 128 (61.8) | 7 (30.4) | ||
| 5–12 | 183 (31.4) | 28 (53.8) | 52 (25.1) | 12 (52.2) | ||
| 3–4 | 73 (12.5) | 6 (11.5) | 27 (13.0) | 4 (17.4) | ||
| INR | 1.1 [1.0–1.2] | 1.1 [1.0–1.4] | 0.1 | 1.1 [1.0–1.1] | 1.1 [1.0–1.6] | 0.3 |
| Initial SBP | 175 [145–211] | 163 [144–201] | 0.07 | 192 [160–220] | 175 [144–210] | 0.08 |
GCS: Glasgow Coma scale, INR: international normalized ratio, SBP: systolic blood pressure