Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 28, 2015; 21(12): 3564-3570
Published online Mar 28, 2015. doi: 10.3748/wjg.v21.i12.3564
Table 2 Postoperative complications, hospital stay and costs n (%)
ComplicationDrainage group (n = 48)Non-drainage group (n = 43)P value
Residual stones7 (14.6)4 (9.3)0.329
Bile leakage7 (14.6)6 (13.9)0.586
Pancreatitis2 (4.2)2 (4.7)0.649
Cholangitis13 (27.1)9 (20.9)0.331
T-tube dislocation1 (2.1)00.527
Postoperative hospital stay (d)15.4 ± 2.111.2 ± 2.80.000
Postoperative costs (yuan)32 933.3 ± 6235.129 325.6 ± 5668.20.005