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Table 1: Baseline characteristics between sulcal SAH versus non-sulcal SAH^{^a}
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 NIHSS^{^b} 10 (7–15) 11 (7–15) 10 (7–15) .953
ASPECTS^{^b} 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) 
↵a Data are presented as number (%) except where otherwise noted.
↵b Data are median, and numbers in parentheses are interquartile range.