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Table 2 Patient characteristics.

From: Cost-minimization analysis in a blind randomized trial on small-incision versus laparoscopic cholecystectomy from a societal perspective: sick leave outweighs efforts in hospital savings

  Laparoscopic cholecystectomy
(n = 120)
Small-incision cholecystectomy
(n = 137)
Statistical analysis
Male/Female 31/89 30/107 p = 0.459
Age    
mean (SD) 48.4 (14.1) 48.5 (14.0) p = 0.974
median (range) 49 (17-77) 48 (18-80)  
BMI    
mean (SD) 27.5 (4.8) 27.9 (4.6) p = 0.500
median (range) 26.8 (18.5-45.9) 27.2 (18.0-43.3)  
ASA    
I 82 (68.3%) 91 (66.4%) p = 0.855
II 38 (31.7%) 46 (33.6%)