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

Table 8 Subgroup analyses of 12-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	72	0.18	0.38	0.09-1.54
	America	911	89	0.91	0.95	0.35-2.55
	Europe	1343	29	0.33	1.26	0.79-2.02
Continence	0 pad	908	55	0.75	1.08	0.68-1.69
definition	0-1 pad	754	88	0.27	0.53	0.17-1.63
Study design	prospective	509	83	0.51	1.26	0.63-2.53
	retrospective	1153	57	0.15	0.60	0.30-1.20
Loss of follow-up	≤ 20%	451	82	0.82	1.09	0.51-2.33
	> 20%	1211	59	0.45	0.79	0.43-1.46

OR: Odds ratio; CI: Confidence interval.