Comparison of included and excluded patients
| Patient Characteristics | Patients with Spontaneous ICH (n = 212) | Patients Excluded (n = 460) | P Value |
|---|---|---|---|
| Age (median) (IQR) (yr) | 68 (61–77.5) | 75 (64.5–83) | <.001 |
| Male sex (No.) (%) | 86 (40.6) | 210 (45.7) | .21 |
| Time to initial CT (median) (IQR) (hr) | 4.5 (2.29–17.5) | 4.4 (2.0–11.6) [n = 299] | .06 |
| Time to second CT (median) (IQR) (hr) | 11.92 (5.38–29.27) | 19.9 (4.6–56.64) [n = 287] | .005 |
| PMHx (No.) (%) | |||
| Hypertension | 166 (78.3) | 329 (71.8) | .09 |
| Hypercholesterolemia | 68 (32.1) | 114 (30.6) | .71 |
| Statin use | 68 (32.1) | 145 (31.5) | .92 |
| Diabetes | 54 (25.6) | 108 (23.8) | .32 |
| Ischemic heart disease | 39 (18.4) | 79 (17.6) | .83 |
| Atrial fibrillation | 47 (22.2) | 93 (20.7) | .68 |
| Previous stroke | |||
| Transient ischemic attack | 13 (6.2) | 29 (6.5) | 1.00 |
| Ischemic stroke (n = 207) | 21 (9.9) | 43 (11.5) | .68 |
| Hemorrhagic stroke | 12 (5.8) | 35 (9.4) | .15 |
| Anticoagulant (No.) (%) | |||
| Warfarin | 42 (19.8) | 87 (18.9) | .83 |
| Antiplatelet | 70 (33.0) | 164 (35.6) | .54 |
| GCS on presentation (median) (IQR) | 14 (11–15) [n = 207] | 14 (10–15) [n = 355] | .52 |
| Radiologic (No.) (%) | |||
| Location supratentorial | 173 (81.6) | 309 (67.2) | .42 |
| IV extension (n = 326) | 88 (41.5) | 60 (52.6) | .06 |
| Midline shift (n = 499) | 78 (36.8) | 142 (49.5) | .006 |
Note:—GCS indicates Glasgow Coma Scale; PMHx, past medical history; IV, intraventricular.