Review | Adequate search | Risk of bias assessed | Quality score accounted for in analysis | Study details reported and differences accounted for | Statistical heterogeneity investigated | Gaps in research identified | Conclusions justified |
---|---|---|---|---|---|---|---|
Wind et al7 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Eskicioglu et al11 | ✓ | ✓ | X | ✓ | ✓ | ✓ | ✓ |
Gouvas et al13 | ✓ | ✓ | X | ✓ | ✓ | ✓ | ✓ |
Walter et al14 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Varadhan et al15 | ✓ | ✓ | X | ✓ | ✓ | ✓ | ✓ |
Adamina et al18 | ✓ | ✓ | UC | ✓ | UC | ✓ | ✓ |
Rawlinson et al19 | ✓ | X | X | ✓ | UC | X | UC |
Spanjersberg et al20 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Lv et al21 | ✓ | ✓ | X | X | ✓ | ✓ | ✓ |
Zhuang et al6 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
UC, unclear.