Table 2.

Multi-institutional studies and the incidence of bleeding complications during LC (n> 5,000)

Author (Year)	n	Number of cases of bleeding (%)
Bingener-Casey (2002)[12]	6896	44 (0.64)
Z'graggen (1998)[13]	10174	1074 (10.5)
Ihasz (1997)[14]	13833	107 (0.77)
Shea (1996)[15]	78747	163 / 15596 (1.04)
Ovaska (1996)[16]	5742	52 (0.9)
Wherry (1996)[17]	9130	149 (1.6)
Croce (1994)[18]	6865	51 (0.75)
Deziel (1993)[19]	77604	193 (0.25)
Go (1993)[20]	6076	84 (1.38)
Airan (1992)[21]	341760	17 (0.004)
Scott[22]	12397	NA