Comparison of functional outcomes after retropubic, laparoscopic and robot-assisted radical prostatectomy: A meta-analysis

Table 7 Subgroup analyses of 6-mo urinary continence recovery after laparoscopic radical prostatectomy or retropubic radical prostatectomy

Subgroup	Study	Sample size	Heterogeneity I2(%)	P-value	Meta-analysis
					OR	95%CI
Country	Asia	553	63	0.06	0.45	0.20-1.04
	America	346	0	0.45	0.83	0.51-1.34
	Europe	763	80	0.40	1.46	0.60-3.55
Continence definition	0 pad	1662	74	0.52	0.84	0.50-1.41
	0-1 pad	0	-	-	-	-
Study design	prospective	968	77	0.55	1.24	0.61-2.50
	retrospective	694	59	0.08	0.56	0.29-1.07
Loss of follow-up	≤ 20%	911	71	0.87	1.06	0.53-2.09
	> 20%	751	78	0.32	0.66	0.29-1.51

OR: Odds ratio; CI: Confidence