Skip to main content
. 2017 Jul 25;2017(7):CD002912. doi: 10.1002/14651858.CD002912.pub7

Bergman 1989b.

Methods RCT. Randomisation table (to intervention and surgeon). Three arms. Blinding not mentioned. No power calculation. Not ITT analysis
Participants N = 127. 107 at one year, 93 at five years Fourteen lost to follow up at one year. No baseline comparison of treatment groups
 Mean age: 55 years (range 29‐77), mean parity: 3 (1‐12), 74 menopausal
 UDS‐confirmed SUI. Only primary incontinence
 Excl: other gynaecological disease needing surgery, previous anti‐incontinence surgery
 Single centre, university based, Urogyne. USA
Interventions I: Burch (38)
 II: modified Pereyra needle suspension surgery (34)
 III: Anterior colporrhaphy (35)
 All procedures described and referenced.
 Done by house staff and one senior surgeon, randomised
Outcomes Number cured
 UDS parameters (functional length, urethral closure pressure, abdominal pressure transmission)
 Prolapse
 Days on catheter
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk randomisation table
Allocation concealment (selection bias) Unclear risk not mentioned
Blinding (performance bias and detection bias) 
 All outcomes Unclear risk not mentioned
Blinding of participants and personnel (performance bias) 
 All outcomes Unclear risk not mentioned
Blinding of outcome assessment (detection bias) 
 All outcomes Unclear risk not mentioned
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk "14 lost to follow up"
Other bias Unclear risk no other bias identified