Table 4 Quality assessment of included systematic reviews. This table demonstrates the quality of each systematic review using the AMSTAR 2 checklist [14]. The supplementary material of two papers could not be accessed [18, 25]. Therefore, a full quality appraisal could not be done on these systematic reviews
| Â | Research question and inclusion criteria include PICO components | A priori design | Justification of included study designs | Comprehensive literature search strategy | Study selection performed in duplicate | Data extraction in duplicate | List of excluded studies with justifications | Included studies describes in adequate detail | Satisfactory technique to assess risk of bias | Report on funding sources in studies | Appropriate method for statistical combination | Impact of RoB on meta-analysis results | Account for RoB in individual studies when interpreting results | Explanation of heterogeneity in results | Assessed publication bias | Reported conflicts of interest | Overall Quality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Albrecht et al | Y | Y | Y | PY | Y | Y | N | P | Y | N | Y | Y | Y | Y | Y | Y | Low |
Arwi & Schug | Y | N | Y | N | Y | Y | N | Y | Y | N | N | N | Y | N | N | Y | Critically low |
Baamer et al | Y | N | Y | P | Y | Y | Y | Y | Y | N | N | N | Y | Y | N | Y | Low |
Bicket et al | Y | N | Y | P | Y | Y | N | Y | Y | Y | N | N | N | Y | N | Y | Critically low |
Feinberg et al | Y | N | Y | P | Y | N | N | Y | N | N | N | N | N | N | N | N | Critically low |
Horn et al | N | N | Y | Y | Y | N | N | N | N | N | N | N | N | N | N | N | Critically low |
Lamplot et al | Y | N | Y | Â | Y | Y | Â | Y | Â | N | N | N | Y | Y | N | Y | Â |
Lawal et a | Y | Y | Y | P | Y | Y | N | Y | N | N | Y | Y | Y | Y | Y | Y | Critically low |
Martinez et al | Y | Y | Y | P | Y | Y | Â | Â | Y | Y | Y | Y | N | Y | N | Y | Â |
Powell et al | Y | Y | Y | Y | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | High |
Sobol-Kwapinska et al | Y | N | N | P | Y | Y | N | N | Y | N | Y | Y | Y | Y | Y | Y | Critically low |
Wetzel et al | Y | N | Y | P | N | Y | N | P | N | N | N | N | N | N | N | Y | Critically low |