Comparison 2. Urethral injection therapy versus conservative management.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number not cured (worse, unchanged or improved) at 3 months	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2 Number not improved (worse or unchanged) at 3 months	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3 Disease‐specific measures	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
4 Peri‐ and postoperative complication	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
4.1 retention	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]