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. 2013 Feb 28;2013(2):CD004010. doi: 10.1002/14651858.CD004010.pub3

Summary of findings for the main comparison. Pessaries (mechanical devices) for pelvic organ prolapse in women.

Mechanical devices for pelvic organ prolapse in women
Patient or population: patients with pelvic organ prolapse in women 
 Settings:Intervention: mechanical devices
Outcomes Illustrative comparative risks* (95% CI) Relative effect 
 (95% CI) No of Participants 
 (studies) Quality of the evidence 
 (GRADE) Comments
Assumed risk Corresponding risk
Control Mechanical devices
Patients perceived improvement in symptoms of prolapse assessed using validated symptom questionnaire at 1 year ‐ not reported See comment See comment Not estimable See comment  
Acceptability/satisfaction with treatment at 1 year ‐ not reported See comment See comment Not estimable See comment  
Grade of prolapse with device in situ at 1 year ‐ not reported See comment See comment Not estimable See comment  
*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI). 
 CI: Confidence interval;
GRADE Working Group grades of evidence 
 High quality: Further research is very unlikely to change our confidence in the estimate of effect. 
 Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate. 
 Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate. 
 Very low quality: We are very uncertain about the estimate.