Table 2. Results of meta-analysis of postoperative complications.

Outcomes	No. of studies	No. of patients	Heterogeneity			Merge analysis
			Chi2	I2(%)	Pvalue	OR (95% CI)	P value
Overall complications	7	518/516	6.56	9	0.36	1.52 (1.14–2.04)	0.005
Minor complications	5	344/357	4.72	15	0.32	1.84 (1.27–2.66)	0.001
Major complications	2	130/130	2.84	65	0.09	0.54 (0.04–7.16)	0.64
Specific adverse events
Urinary retention	6	493/491	2.44	0	0.79	1.80 (1.02–3.16)	0.04
Capsular perforation	3	210/250	0.59	0	0.75	0.52 (0.20–1.37)	0.18
Dysuria	3	248/273	0.20	0	0.90	1.16 (0.67–2.00)	0.59
Re-treatment	4	363/361	1.14	0	0.77	2.36 (0.68–8.19)	0.17
Bladder neck contracture	2	138/123	1.20	17	0.27	0.64 (0.12–3.35)	0.60
Urethral stenosis	2	138/123	0.77	0	0.38	0.91 (0.12–6.68)	0.93

Notes.

No.

number

/

120 W HPS versus 180 W XPS

Chi²

Chi-square test value

I²

I-squared test value

OR

odds ratios

95% CI

95% confidence interval