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Agreement between reviewers of QA of the included studies using DARE assessment criteria
| Items | Kappa’ index | Level of Agreement |
|---|---|---|
| Inclusion and exclusion | 0.94 | Almost perfect |
| Search coverage | 0.95 | Almost perfect |
| Assessment of quality | 1.00 | Almost perfect |
| Study description | 0.89 | Strong |
| Synthesis of study | 0.88 | Strong |
