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Table 1 Demographic characteristics of the study population

From: Advanced gallbladder inflammation is a risk factor for gallbladder perforation in patients with acute cholecystitis

Features Study group Control group p value
Sex
 Female 17 (34.0%) 61 (40.7%) 0.403
 Male 33 (66.0%) 9 (59.5%)  
Mean age (years) 73.4 ± 10.0 63.4 ± 16.7 0.001
Mean BMI (kg/m2) 28.6 ± 7.2 28.9 ± 13.3 0.870
ASA scores    
 1 6 (12.0%) 41 (27.3%)  
 2 18 (36.0%) 66 (44.0%) 0.003
 3 19 (38.0%) 39 (26.0%)  
 > 3 7 (14.0%) 4 (2.7%)  
  1. ASA American Society of Anesthesiology score, BMI body mass index