Study	Reason for exclusion
Barber 2008	Not an RCT. This is a secondary analysis using logistic regression to determine risk factors for recurrent UI. The treatment of recurrent UI is not addressed.
Cardozo 2002	Authors were contacted but the participants had a previous colposuspension and not a tape procedure.
Enzelsberger 1993	Women had hysterectomies with an anterior repair. There was no mention of previous tape surgery.
Enzelsberger 1996	Women had hysterectomies with an anterior repair. There was no mention of previous tape surgery.
Hilton 2002	Ineligible participants: neither the trial report or personal communication with the trialists could confirm whether any of the participants had previously undergone surgery with tape.
Kociszewski 2016	Not an RCT.
Maher 2004	Ineligible participants: neither the trial report or personal communication with the trialists could confirm whether any of the participants had previously undergone surgery with tape.
Smithling 2017	Not an RCT.
Tincello 2017	Not an RCT.
Wallwiener 1995	Previous incontinence surgery was not tape.
Watson 2002	Ineligible participants: neither the trial report or personal communication with the trialists could confirm whether any of the participants had previously undergone surgery with tape.
Zimmern 2016	Not an RCT. This is a secondary analysis of two separate RCTs.

RCT = randomised controlled trial
 UI = urinary incontinence