Table 2.

Meta-analysis of continuous variables

Index	Study	Heterogeneity test		Test for overall effect		Egger’s test
		I 2 (%)	P	WMD (95% CI)	P	P
IIEF-EF	3	96	<0.00001	0.03 [−0.32 to 0.39]	0.85	0.783
IIEF intercourse satisfaction	2	56	0.13	0.45 [−0.96 to 1.86]	0.53	–
IIEF overall satisfaction	2	41	0.19	0.00 [−0.03 to 0.03]	0.98	–
IIEF sexual desire	2	0	0.55	0.00 [−0.02 to 0.02]	0.99	–
SEAR confidence	2	14	0.28	1.26 [1.04–1.45]	<0.00001	–
SEAR sexual relationship	2	43	0.19	1.52 [1.32–1.72]	<0.00001	–
EDITS total	2	0	0.93	3.82 [3.63–4.01]	<0.00001	–

IIEF International Index of Erectile Function, SEAR Self-Esteem and Relationship questionnaire, EDITS Erectile Dysfunction Inventory of Treatment Satisfaction