Table A5:
No. of Studies (Design) | Risk of Bias | Inconsistency | Indirectness | Imprecision | Publication Bias | Upgrade Considerations | Quality |
---|---|---|---|---|---|---|---|
Recurrence rate | |||||||
2 observational29,31 | No serious limitations | No serious limitations | No serious limitations | No serious limitations | Not detected | No serious limitations | ⊕⊕ Low |
Quality of life | |||||||
1 observational30 | No serious limitations | No serious limitations | Serious limitationsa | No serious limitations | Not detected | No serious limitations | ⊕ Very low |
Adverse effects | |||||||
1 observational30 | No serious limitations | No serious limitations | Serious limitationsa | No serious limitations | Not detected | No serious limitations | ⊕ Very low |
Population was similar but not identical to those under consideration.
Note: Absence of randomization and control for confounding, an inherent limitation of the observational studies, is factored in the last column when we graded the quality.