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Table 1 Demographic and clinical characteristics of patients with aSAH and healthy controls

From: Apolipoprotein E polymorphism and the risk of aneurysmal subarachnoid hemorrhage in a South Indian population

Characteristics aSAH Controls P
Total no. 200 253
Sex (male/female) 77/123 114/139 0.160
Female (%) 61.50 69.50
Male (%) 38.50 57.00
Age (years) 50.72 ± 10.76 45.57 ± 17.73 0.170
Hypertension (yes/no) 109/91 105/148 0.006
Smoking (yes/no) 58/142 25/228 < 0.0001
Drinking (yes/no) 57/143 26/227 < 0.0001
Diabetes mellitus 71/129 60/193 0.005
Site of aneurysm (no./%)
 ACOM 86/43  
 PCOM 12/6  
 ICA 36/18  
 MCA 37/18.5  
 Multiple 22/11  
 Basilar top 7/3.5  
Size of aneurysm (no./%)
 Small (< 15 mm) 159/79.5  
 Large (15–25 mm) 37/18.5  
 Giant (> 25 mm) 4/2  
WFNS Grade (no./%)
 Grade I 91/45.5  
 Grade II 42/21  
 Grade III 51/25.5  
 Grade IV 16/8