Table 4.

Level 2b/3 studies comparing laparoscopic vs open repair of incisional and ventral hernia

Author for all citations here	No of patients lap/open	Mean follow-up (months) lap/open	Hospital stay days (range) lap/open	Return to activity/work (days) lap/open	Cost ($) lap/open	QOL lap/open	Acute pain lap/open	Chronic pain lap/open	Recur-rence lap/open (%)
Park et al. [157]	105 49/56	24.1/53.7	3.4/6.5 p < 0.001	NR	NR	NR	NR	NR	21/3
DeMaria et al. [167]	39 21/18	12–24	0.8/4.4 p < 0.05	NR	Initial and readmission cost 8,273 ± 2,950/12,461 ± 5,987 p < 0.05	NR	Analgesic use 10 versus 79 % p < 0.05	NR	5/0
McKinlay et al. [208]	170 69 Recurrent 101 Primary	19/27	NR	NR	NR	NR	NR	2.8 %/0 % in recurrent versus primary	7 Recur-rent 5 Primary p = 0.53
Lomanto et al. [113]	100 50/50	20.8	2.7/4.7 p = 0.044	NR	NR	NR	VAS 2.9/4.1 p = 0.001	NR	2/10
Olmi et al. [154]	50 25/25	9/24.5	NR	NR	NR	NR	NR	NR	2/0
Bingener et al. [73]	360 127/233	36/25	0.9 ± 1.4/1.4 ± 2.0 p = 0.01	NR	NR	NR	NR	NR	9/12 p = 0.36
Ching et al. [211]	168 all lap 42 mor-bidly obese/124 nonobese	19	NR	NR	NR	NR	NR	Obese/nonobese 5 %/10 % p = 0.5	Obese/nonobese 10/13 p = 0.78
Ceccarelli et al. [212]	181 94/87	38	NR	NR	NR	NR	NR	NR	2.1/6.9 p > 0.05
Kurmann et al. [87]	125 69/56	32.5/65	6 (1–23)/7 (1–67) p = 0.001	21/42 p > 0.05	NR	NR	NR	VAS 0.5/0.6 p > 0.05	18/16 p = 0.6
Total	960 435/525	24.8/34.4 (7 studies)	2.7/4.6 (5 studies)	21/42 (1 study)	8,273 ± 2,950/12,461 ± 5,987 (1 study)	NR	2.9/4.1p = 0.001 (1 study)	0.5/0.6 p > 0.05 (1 study)	8.4/6.8 (7 studies)

Lap laparoscopic, QOL quality of life, NR not recorded, VAS visual analog scale