Colonic J-pouch versus side-to-end anastomosis for rectal cancer: a systematic review and meta-analysis of randomized controlled trials

Table 4 Quality of life (SF-36)

Quality of life (SF-36)	No. of studies	J-pouch		Side-to-end		I² (%)	Analysis model	WMD	95% CI	P value
Quality of life (SF-36)	No. of studies	Patients	Mean	Patients	Mean	I² (%)	Analysis model	WMD	95% CI	P value
Baseline
Physical function	2	63	81.09	64	75.75	0	Fixed	5.34	− 1.61, 12.28	0.13
Social function	2	66	74.76	66	70.93	0	Fixed	3.83	− 4.56, 12.21	0.37
General health perception	2	65	67.63	65	60.19	0	Fixed	7.44	0.39, 14.48	0.04
Short term
Physical function	2	39	75.85	46	69.28	82	Random	6.57	− 14.96, 28.10	0.55
Social function	2	40	68.91	46	63.71	67	Random	5.20	− 12.47, 22.88	0.56
General health perception	2	39	70.08	47	70.56	79	Random	− 0.48	− 19.39, 18.43	0.96
Medium term
Physical function	2	46	84.13	44	77.58	66	Random	6.55	− 10.59, 23.69	0.45
Social function	2	48	82.94	45	82.76	70	Random	0.18	− 14.64, 15.00	0.98
General health perception	2	48	71.75	45	70.81	72	Random	0.94	− 12.62, 14.51	0.89

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