Table 3.

Pooled estimate and odds ratio for clinical, technical success and adverse event rate for CDS and HGS.

			Test for heterogeneity			Test for publication bias
Outcome	Procedure	Proportion or OR (p value)	I 2	Q	p valuea	Z statistic	p valueb
Clinical success	HGS	84.16 (79.88; 87.67)	18.6%	14.74	0.256	2.78	0.018
	CDS	86.91 (81.86; 90.72)	36.82%	12.66	0.124	3.4	0.007
	CDS vs HGS	1.01 (1.09;2.17) (0.97)	23.7%	5.24	0.263	−0.59	0.594
Technical success	HGS	95.98 (93.25; 97.63)	0%	5.82	0.925	6.34	<0.001
	CDS	94.68 (91.03; 96.89)	0%	3.54	0.896	2.81	0.026
	CDS vs HGS	1.48 (1.09; 2.17) (0.43)	0%	1.83	0.608	4.92	0.039
Complications	HGS	25.4 (17.76; 34.92)	70.49%	40.67	<0.001	−2.18	0.052
	CDS	20.08 (15.59; 25.48)	30.76%	11.55	0.172	−2.76	0.028
	CDS vs HGS	2.01 (1.09; 2.17) (<0.001)	0%	3.84	0.428	−0.45	0.681

CDS: choledochoduodenostomy; HGS: hepaticogastrostomy; OR: odds ratio.

^aCochran Q test.

^bEgger test.