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. 2015 Mar 24;29(12):3443–3453. doi: 10.1007/s00464-015-4148-3

Table 2.

Summation of forest plots

Laparoscopic ± ERAS groups	ERAS	Conv	ERAS	Conv	Odds ratio	95 % CI	I ² (%)	Effect (Z)	p
Comparison	Total n		Events		Odds ratio	95 % CI	I ² (%)	Effect (Z)	p
All complications	215	189	58	54	0.97	[0.62; 1.53]	0	0.11	0.91
Major complications	215	189	24	24	0.95	[0.51; 1.75]	0	0.17	0.86
Minor complications	215	189	49	53	0.84	[0.52; 1.36]	0	0.72	0.47
Mortality	215	189	3	3	1.05	[0.21; 5.30]	0	0.06	0.95
Readmissions	160	174	11	11	1.08	[0.46; 2.57]	0	0.18	0.86
Postoperation hospital stay	215	189	NA	NA	–2.34^a	[–3.77; –0.91]^a	83	3.20	0.001

ERAS; laparoscopic versus open	Laparoscopic	Open	Laparoscopic	Open	Odds ratio	95 % CI	I ² (%)	Effect (Z)	p
Comparison	Total n		Events		Odds ratio	95 % CI	I ² (%)	Effect (Z)	p
All complications	252	228	93	99	0.62	[0.38; 1.01]	30	1.94	0.05
Major complications	271	189	43	57	0.42	[0.26; 0.66]	15	3.73	0.0002
Minor complications	130	123	45	48	1.63	[0.16; 16.31]	86	0.42	0.68
Mortality	193	200	4	9	0.51	[0.16; 1.70]	0	1.09	0.27
Readmissions	193	200	14	22	0.54	[0.27; 1.10]	0	1.71	0.09
Postoperation hospital stay	293	247	NA	NA	–0.40^a	[–1.70; 0.91]	73	0.59	0.55

^aMean difference in days, conv conventional