Table 2 Data collection variables for included studies
Type | Variable |
|---|---|
Participants | Sample size (overall if single gate, control and target condition(s) if case-control) Study exclusion criteria Age and gender Other demographics |
Methods and conditions | Site (country) Population (inclusion criteria, presentation, and demographics) Setting and number of centres Design Continuous sample? GI target condition(s) Index test: BSCA methodology or analytic technique, diagnostic criterion Level of technological development Threshold set prior? ROC used? Reference standard or independent diagnosis Flow and timing |
Outcomes | Results of DTAs: AUCs, PPV, NPV, diagnostic odds ratio,sensitivity, specificity etc. Or results of other studies: statistical test for association/heterogeneity/correlation between index test and GI condition—p values |
Other | Funding sources Conflict of interest |