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Table 2 Comparison of patient clinical characteristics according to the difficulty of cholecystitis

From: Optimal timing of cholecystectomy after percutaneous gallbladder drainage for severe cholecystitis

Variable Group A Group B P Value
(n = 35) (n = 32)
Age, years 69.3 ± 2.1 73.3 ± 2.2 0.192
Male sex, n (%) 22 (62.9) 19 (59.4) 0.770
BMI 24.3 ± 0.70 22.3 ± 0.73 0.053
Interval between onset and PTGBD, hours 77.5 ± 12.8 78.0 ± 13.4 0.978
Interval between PTGBD and cholecystectomy, hours 325.0 ± 95.6 631.0 ± 99.9 0.031
Fever on admission, n (%) 0.609
 No 25 (71.4) 21 (65.6)  
 Yes 10 (28.6) 11 (34.4)  
Abdominal pain on admission, n (%) 0.196
 No 4 (11.4) 1 (3.1)  
 Yes 31 (88.6) 31 (96.9)  
Tokyo Guidelines 2013
 Grade I 5 (14.3) 8 (25.0) 0.268
 Grade II 22 (62.9) 20 (62.5) 0.976
 Grade III 8 (22.9) 4 (12.5) 0.269
Hypertension 19 (54.3) 12 (37.5) 0.169
Diabetes mellitus 8 (22.9) 3 (9.4) 0.137
  1. BMI Body mass index, PTGBD Percutaneous transhepatic gallbladder drainage
  2. Continuous variables are presented as mean ± SEM