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Bariatric treatments for adult obesity - Institute of Health Economics

Bariatric treatments for adult obesity - Institute of Health Economics

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Quality subsection 5a:Study quality used in analysis or discussion <strong>of</strong> study resultsYes: Results <strong>of</strong> the included studies were discussed or analyzed in terms <strong>of</strong> theirquality.Unclear:No:Study quality was assessed, but was either not used at all or was onlyused to analyze some <strong>of</strong> the included studies.The review mentions selective inclusion <strong>of</strong> ‘quality’ studies, but withoutfurther assessment <strong>of</strong> their quality (<strong>for</strong> example, only RCTs were includedbut the robustness <strong>of</strong> their execution was not assessed).The results <strong>of</strong> the included studies were not discussed or analyzed interms <strong>of</strong> their quality.Study quality was not assessed.Semi-quantitative review:Incorporates a statistical analysis <strong>of</strong> individual studies without pooling the results (<strong>for</strong> example,relative risks calculated <strong>for</strong> individual study outcomes) or includes pooling <strong>of</strong> results using onlydescriptive statistics (<strong>for</strong> example, median, mean, mode, frequency).Quality subsection 5b: Confidence interval/measures <strong>of</strong> dispersion reportedYes: Confidence intervals or measures <strong>of</strong> dispersion (range, standard deviation,standard error <strong>of</strong> the mean) were reported <strong>for</strong> all relevant analyses.Unclear:Confidence intervals or measures <strong>of</strong> dispersion were only reported <strong>for</strong>some <strong>of</strong> the relevant analyses.Confidence intervals were reported <strong>for</strong> all relevant analyses, but the level<strong>of</strong> confidence was not specified (<strong>for</strong> example, it is unclear whether 95% or99% confidence intervals were calculated). Measures <strong>of</strong> dispersion were reported <strong>for</strong> all relevant analyses but thetype was not specified (<strong>for</strong> example, standard deviation or standard error).No: Confidence intervals or measures <strong>of</strong> dispersion were not reported.Meta-analysis:A pooled effect estimate is calculated <strong>for</strong> at least two studies. Reviews that contain a meta-analysis <strong>of</strong>some studies and a qualitative analysis <strong>of</strong> the remaining studies are considered a ‘meta-analysis.’Quality subsection 5c: Precision <strong>of</strong> results reportedYes: Confidence intervals were reported <strong>for</strong> all pooled effect estimates.Unclear:Confidence intervals were reported <strong>for</strong> some but not all pooled effectestimates. Confidence intervals were reported <strong>for</strong> all pooled effect estimates but thelevel <strong>of</strong> confidence was not specified (<strong>for</strong> example, it is unclear whether95% or 99% confidence intervals were calculated).No: Confidence intervals were not reported.<strong>Bariatric</strong> <strong>treatments</strong> <strong>for</strong> <strong>adult</strong> <strong>obesity</strong> 116

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