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. 2024 May 7;24:139. doi: 10.1186/s12893-024-02419-x

Table 2.

Mean values for perioperative variables, and qualitative variables

Variable Frequency Valid percent (%)
Male 17 30.9
Female 38 69.1
Ischemic heart disease 7 12.7
Diabetes mellitus 8 14.5
hypertension 33 60
Cigarette smoking habit 16 29.1
Opium addiction 10 18.2
Pre-operative neurological deficits 19 34.5
pre-operative hydrocephalus 17 31.9
VPS dependency 2 3.6
Preoperative seizure 1 1.8
Postoperative seizure 0 0
Intraoperative aneurysm rupture 21 38
Alive patients 50 90.9
Mortality < 6 months of surgery 5 9.1