From: Increased difficulty and complications of delayed laparoscopic cholecystectomy following percutaneous transhepatic gallbladder drainage in acute cholecystitis: a retrospective study
No-PTGBD group
(n = 86)
PTGBD group
(n = 27)
x2
P-value
Conversion
1 (1.2%)
1 (3.7%)
0.763
0.382
Morbidity
6 (7.0%)
7 (25.9%)
7.247
0.007*