Table 1.

Number of included studies by treatment comparison

Control group	Intervention group	Total No randomised	No of studies	No of studies from updated search
Retropubic MUS	Transobturator MUS	8876	58	4
Retropubic MUS	Open colposuspension	1240	13	0
Retropubic MUS	Laparoscopic colposuspension	651	8	0
Retropubic MUS	Traditional sling	868	9	0
Retropubic MUS	Single incision sling	1092	9	3
Retropubic MUS	Anterior repair	53	1	0
Transobturator MUS	Open colposuspension	272	4	0
Transobturator MUS	Laparoscopic colposuspension	35	1	0
Transobturator MUS	Traditional sling	141	3	1
Transobturator MUS	Single incision sling	4612	39	17
Transobturator MUS	Anterior repair	120	2	1
Transobturator MUS	Pelvic floor muscle training	460	1	1
Open colposuspension	Laparoscopic colposuspension	1402	12	0
Open colposuspension	Traditional sling	922	7	0
Open colposuspension	Bladder neck needle suspension	639	7	0
Open colposuspension	Anterior repair	690	8	0
Open colposuspension	Pelvic floor muscle training	45	1	0
Traditional sling	Single incision sling	72	1	1
Traditional sling	Urethral injection therapy	45	1	0
Traditional sling	Bladder neck needle suspension	20	1	0
Bladder neck needle suspension	Anterior repair	346	3	0

MUS=mid-urethral sling.

Study numbers do not add up to 175, as three arm trials are shown as pairwise comparisons.