Table 3.
Quality appraisal results: Quantitative studies
| Authors (year) | Criterion scores |
|||||
|---|---|---|---|---|---|---|
| Selection bias | Study design | Confounders | Blinding | Data collection methods | Withdrawals and drop-outs | |
| Kuret et al. (2016) | Strong | Moderate | Low | Strong | Strong | Moderate |
| Kuret et al. (2018) | Strong | Moderate | Low | Strong | Strong | Moderate |