Comparison of clinical and radiologic characteristics between surviving and nonsurviving patients with aSDH
| Characteristic | Survived (n = 140) | Died (n = 17) | P Value |
|---|---|---|---|
| Mean age, years (SD) | 51 (22.4) | 59 (23.2) | .16a |
| Sex (%) | .56b | ||
| Male | 103 (74) | 14 (82) | |
| Female | 37 (26) | 3 (18) | |
| Mean admission blood pressure, mm Hg | |||
| Systolic (SD) | 139.9 (26.5) | 147 (29.5) | .37a |
| Diastolic (SD) | 76.3 (14.9) | 78.2 (14.7) | .66a |
| Mean admission GCS (SD) | 12 (3.9) | 8 (4.8) | .0003c |
| History of hypertension (%) | 38 (27) | 8 (47) | .10b |
| Mean admission platelet count (SD) | 247.4 (70.4) | 219.7 (76.2) | .13a |
| Mean admission INR (SD) | 1.2 (0.45) | 1.6 (1.0) | .015a |
| Mean admission aPTT (SD) | 25.4 (5.1) | 28.5 (6.7) | .022a |
| Altered coagulation (%) | 7 (5) | 2 (12) | .25b |
| Antiplatelet therapy (%) | 19 (14) | 5 (30) | .14b |
| Mean initial maximum aSDH width, mm (SD) | 6 (3.6) | 6 (3) | .99a |
| Mean initial maximum midline shift, mm (SD) | 2 (2.6) | 3.9 (4.2) | .011a |
| Patients with contrast extravasation (%) | 18 (13) | 9 (53) | .0004b |
| Patients without contrast extravasation (%) | 122 (87) | 8 (47) | .0004b |
| Mean time to follow-up NCCT, hours (SD) | 12 (8.2) | 9.7 (5.5) | .27a |