Table 3.
Risk of bias assessment
| Authors | Selection | Performance | Detection | Attrition | Selective reporting | Total |
|---|---|---|---|---|---|---|
| Desai et al 201025 | High | High | High | Low | Low | High |
| DiFrancisco-Det al. 201926 | High | Low | High | High | High | High |
| Exelmans et al 201527 | Low | Low | High | Low | Low | Low |
| Hellström et al 201528 | High | Low | High | Low | Low | Low |
| Scharrer et al 201435 | High | Low | High | Low | Low | Low |
| Mario et al, 201429 | High | Low | High | Low | Low | Low |
| Rudolf et al 202033 | High | Low | High | Low | Low | Low |
| Smyth et al 200734 | High | Low | High | Low | High | High |
| Wallenius et al 200932 | High | Low | High | Low | Low | Low |
| Weaver et al 200930 | Low | Low | High | Low | Low | Low |
| Zapata et al 200631 | Low | Low | High | Low | Low | Low |
| Authors | Randomization process | Effect of assignment to intervention | Missing outcome data | Measurement of the outcome | Selection of the reported result | Total |
| Chaput et al 201136 | Low | Some concerns | Low | Low | Low | Low |