Non-randomised patients in a cholecystectomy trial: characteristics, procedures, and outcomes

BMC Surgery

Table 2 Operations on trial patients and non-randomised patients

		OC		LC		MC		CBDE		Shunt		Concomitant operation
	n	N	%	n	%	n	%	n	%	n	%	N	%
Trial patients	724	0		362	50.0	362	50.0	39	5.4	0		20	2.8
Non-randomised patients	993	520	52.4	319	32.1	154	15.5	201	20.2	15	1.5	69	6.9
								p < 0.001		p < 0.001		P < 0.001

OC = conventional open cholecystectomy, LC = Laparoscopic cholecystectomy, MC = mini-laparotomy cholecystectomy, CBDE = common bile duct exploration, Shunt = choledochoduodenostomy, Concomitant operation = other operation performed in combination with cholecystectomy.

ISSN: 1471-2482