Baseline characteristics between sulcal SAH versus non-sulcal SAHa
| Total (n = 209) | Sulcal SAH (n = 33) | Non-Sulcal SAH (n = 176) | P Value | |
|---|---|---|---|---|
| Age (mean) (yr) | 69.9 (SD, 12.4) | 73.1 (SD, 11.2) | 69.3 (SD, 12.6) | .104 |
| Male | 110 (56.9) | 16 (48.5) | 103 (58.5) | .38 |
| Risk factor | ||||
| Hypertension | 139 (66.5) | 21 (63.6) | 118 (67.0) | .857 |
| Diabetes | 71 (34.0) | 13 (39.4) | 58 (33.0) | .606 |
| Dyslipidemia | 53 (25.4) | 11 (33.3) | 42 (23.9) | .353 |
| Smoking | 43 (20.6) | 10 (30.3) | 33 (18.8) | .203 |
| Coronary artery disease | 21 (10.0) | 3 (9.1) | 18 (10.2) | 1.0 |
| Atrial fibrillation | 97 (46.4) | 13 (39.4) | 84 (47.7) | .49 |
| Previous stroke | 30 (14.4) | 4 (12.1) | 26 (14.8) | .898 |
| Etiology of occlusion | ||||
| Thromboembolic | 180 (86.1) | 29 (87.9) | 151 (85.8) | .999 |
| In-situ thrombosis | 27 (12.9) | 3 (9.1) | 24 (13.6) | .583 |
| Intravenous tPA | 44 (21.1) | 6 (18.2) | 38 (21.6) | .835 |
| Prestroke mRS | 0 (0–1) | 0 (0–0) | 0 (0–1) | .85 |
| Admission NIHSSb | 10 (7–15) | 11 (7–15) | 10 (7–15) | .953 |
| ASPECTSb | 9 (8–10) | 9 (8–9) | 9 (8–10) | .764 |
| Occlusion site | <.001 | |||
| Proximal | 146 (69.9) | 10 (30.3) | 136 (77.3) | |
| Distal | 63 (30.1) | 23 (69.7) | 40 (22.7) | |
| Division | .064 | |||
| Superior | 98 (46.9) | 21 (63.6) | 77 (43.8) | |
| Inferior | 106 (50.7) | 11 (33.3) | 95 (54.0) | |
| Middle | 5 (2.4) | 1 (3.0) | 4 (2.3) |