Oestrogen (estriol, estradiol, conjugated oestrogens, or combination of estradiol and estriol) v placebo for overactive bladder

Outcomes at 3–26 weeksNumber of trials (n)z Value*p Value
*Positive z value indicates a favourable result for oestrogen over placebo.
Diurnal frequency8 (372)3.260.001
Nocturnal frequency7 (337)2.080.037
Urgency3 (244)2.030.042
Incontinence episodes7 (331)3.690.0002
First sensation to void8 (350)4.630.0001
Bladder capacity8 (352)3.120.0018