Meta-analysis of laparoscopic vs open cholecystectomy in elderly patients

Table 2 Study outcomes

Ref.	Conversion	Mortality	Morbidity	Cardiac	Respiratory
Massie et al[15]	NR	NR	4/33 lap	NR	NR
			19/66 open
Feldman et al[4]	NR	7/1508 lap	NR	NR	NR
		11/761 open
Lucier et al[5]	NR	16/1769 lap	200/1769 lap	17/1769 lap	25/1769 lap
		116/2138 open	354/2138 open	26/2138 open	64/2138 open
Samkoff et al[6]	NR	252/29731 lap	3428/29731 lap	NR	871/29731 lap
		1523/34189 open	7361/34189 open		1751/34189 open
Huang et al[16]	0 /15	0/15 lap	0/15 lap	0/15 lap	0/15 lap
	(0%)	0/12 open	3/12 open	0/12 open	1/12 open
Lujan et al[17]	11/113	0/133 lap	18/133 lap	NR	0/133 lap
	(9.7%)	1/131 open	29/131 open		5/131 open
Maxwell et al[18]	NR	91/5034 lap	NR	NR	NR
		593/13466 open
Pessaux[19]	16/50	0/50 lap	9/50 lap	0/50 lap	1/50 lap
	(32%)	4/89 open	19/89 open	2/89 lap	2/89 open
Fisichella et al[20]	2/24	0/24 lap	3/24 lap	0/24 lap	0/24 lap
	(8.3%)	0/11 open	6/11 open	0/11 open	0/11 open
Chau et al[21]	11/31	0/31 lap	4/31 lap	0/31 lap	1/31 lap
	(35.5%)	3/42 open	17/42 open	4/42 open	6/42 open
Moyson et al[22]	12/85	3/73 lap	19/73 lap	NR	NR
	(14.1%)	5/27 open	14/15 open
Leardi et al[23]	16/158 (10.1%)	NR	12/258 lap	NR	NR
			14/83 open
Tucker et al[7]	728/9529 (7.6%)	67/9524 lap	NR	48/9524 lap	76/9524 lap
		65/2402 open		26/2402 open	87/2402 open

NR: Not reported.