Table 6.

Meta-analysis of outcomes of interest

Outcome of interest	Studies	Patients (n)	OR/WMD	95%CI	P value
Perioperative outcomes
Operative time	4	488	-12.95	-22.29, -3.61	0.007
Intraoperative blood loss	4	488	-46.38	-91.93, -0.83	0.05
Hospital stay	4	488	-0.71	-1.69, 0.27	0.16
Postoperative complications
Anastomotic bleeding	2	471	0.41	0.07, 2.50	0.33
Anastomotic stricture	4	707	0.41	0.12, 1.42	0.16
Anastomotic ulcer	2	236	0.25	0.03, 2.49	0.24
Reflux gastritis/esophagitis	6	891	0.40	0.20, 0.80	0.009
Delayed gastric emptying	5	593	0.29	0.14, 0.61	0.001
Roux stasis syndrome	6	891	0.14	0.04, 0.50	0.002
Postoperative nutritional status
Serum hemoglobin	2	227	0.51	-0.58, 1.60	0.36
Serum total protein	2	227	0.55	-1.77, 2.86	0.64
Serum albumin	2	227	0.71	0.24, 1.19	0.003

CI: Confidence interval; OR: Odds ratio; WMD: Weighted mean differences.