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Risk of Bias Assessment
| References | Randomization process | Deviations from intended interventions | Missing outcome data | Measurement of the outcome | Selection of the reported result | Overall bias |
|---|---|---|---|---|---|---|
| Deer et al17 DISTINCT | Low | Low | Low | High | Some concerns | High |
| Kapural et al15 SENZA-NSRBP | Low | Low | Low | High | Low | High |
| Mekhail et al16 EVOKE NSRBP subgroup | Low | Low | Some concerns | Low | Low | Some concerns |
