Table 2 Quality assessment of included studies
Author | Domains | Overall | ||||
|---|---|---|---|---|---|---|
RoB-2 | Randomisation process | Deviations from intended intervention | Missing outcome data | Measurement of the outcome | Selection of the reported results | |
Paget [11] | Low | Low | Low | Low | Low | Low |
ROBINS-I | Confounding | Selection of participants | Classification of intervention | Deviations from intended interventions | Missing data | Measurement of the outcome | Selection of the reported results | Overall |
|---|---|---|---|---|---|---|---|---|
Angthong [30] | Serious | Critical | Serious | Moderate | Moderate | Serious | Moderate | Serious |
Fukawa [12] | Serious | Serious | Low | Moderate | Low | Serious | Moderate | Serious |
Repetto [29] | Critical | Moderate | Moderate | Moderate | Moderate | Serious | Moderate | Critical |
Sun [13] | Serious | Low | Low | Moderate | Low | Serious | Moderate | Serious |