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QUADAS-2 results for each study included in the meta-analysis.
| QUADAS-2 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Author | Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| James Pettitt [19] | 2015 | N | UC | Y | Y | UC | Y | Y | Y | Y | Y | Y |
| Amy James Loftis [20] | 2016 | Y | N | Y | Y | N | Y | Y | Y | Y | Y | Y |
| Rafael Van den Bergh [14] | 2016 | Y | N | UC | Y | N | Y | Y | UC | Y | Y | Y |
| AmandaE.Semper [15] | 2016 | Y | Y | UC | N | Y | Y | Y | Y | Y | Y | Y |
Note: Y = yes; N = no; UC = unclear.
