1naresh
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Variablea Overall (n = 92) AP (n = 44) NAP (n = 48) P Value AVM location Cortical 77 (84) 41 (93) 36 (75) <.041 Deep 11 (12) 3 (7) 8 (17) Infratentorial 4 (4) 0 (0) 4 (8) Eloquent 53 (58) 17 (39) 36 (75) <.001 Type of HC Intraparenchymal hemorrhage 46 (50) 12 (27) 34 (71) <.001 Subarachnoid hemorrhage 35 (38) 31 (71) 4 (8) Intraventricular hemorrhage 11 (12) 1 (1) 10 (21) Timing of rupture Hemorrhage during procedure 52 (59) 43 (98) 9 (18) <.001 Delay between procedure and hemorrhagic events, hours (range) 17.2 (0–240) 0.05 (0–2) 34.4 (0–240) <.001 Craniotomy for hematoma evacuation, decompressive craniotomy or EVD 15 (16) 3 (7) 12 (25) <.019
Note:—EVD indicates external ventricular drainage.
↵a No. (%), mean ± SD or range.