Table 2.

Comparison of operative outcomes between groups

Parameter	LCBDE (n = 110)	OCBDE (n = 117)	p value
Operative time (min)	170 (60–480)	180 (41–330)	0.067
Estimated blood loss (mL)	30 (5–700)	50 (10–1800)	0.041
Remnant CBD stones, n (%)	19 (17)	33 (28)	0.050
Open conversion, n (%)	19 (17)	–	–
Postoperative hospital stay (days)	7 (3–78)	8.5 (4.5–74)	0.041
Time to oral intake	2.5 (1–7)	3 (2–24)	0.015
Pulmonary diseases, n (%)	35 (32)	49 (42)	0.117
Bile leakage, n (%)	5 (5)	12 (10)	0.102
Wound infection, n (%)	3 (3)	3 (3)	1.000
Postoperative bleeding, n (%)	1 (1)	2 (2)	1.000
Others, n (%)	1 (1)	4 (3)	0.404
Mortality, n (%)	0 (0)	0 (0)	–

min minute, mL milliliter