Table 1 Quality assessment
Studies | Confounding | Selection of participants | Classification of interventions | Deviation from intervention | Missing data | Measurement of outcomes | Selection of reported results | Overall |
|---|---|---|---|---|---|---|---|---|
Delbarre et al. [10] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Singh A et al. [11] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Quiroz Madarriaga Y. et al. [12] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Geavlete B. et al. [13] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Soundarya G. et al. [14] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Sytnik D. et al. [15] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Taraktin M. et al. [4] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Vaddi C.M. et al. [16] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Sierra et al. [17] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Taraktin M. et al. [18] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Enikeev D. et al. [19] | Low | Low | Low | Low | Unclear | Low | Low | Low |
Korolev D. et al. [20] | Low | Low | Low | Low | Unclear | Low | Low | Low |