Table A3:
Selection Bias | Performance Bias on Exposure | Detection Bias | Attrition Bias | Reporting Bias | Confounding | Other Biases | |
---|---|---|---|---|---|---|---|
McQueen et al, 201440 | N | N | Y | N | U | Y | U |
Quiros et al, 201541 | Y | N | Y | N | U | Y | U |
Radermecker et al, 201042 | Y | N | Y | Y | U | Y | U |
Soupal et al, 201643 | N | N | Y | N | U | Y | Yb |
Abbreviations: Y, yes or high risk of bias likely; N, no or low risk of bias detected; U, unclear risk of bias.
Using the Risk of Bias Assessment Tool for Non-randomized Studies (RoBANS) tool.21
Bias in the analytic approach.