TABLE 4.
Results of ROBIS assessment.
| Review | Phase 1 | Phase 2 | Phase 3 | |||
|---|---|---|---|---|---|---|
| Assessing relevance | Domain 1: study eligibility criteria | Domain 2: identification and selection of studies | Domain 3: data collection and study appraisal | Domain 4: synthesis and findings | Risk of bias in the review | |
| Fang, 2016 | Low | Low | Low | High | High | Low |
| Zhou, 2020 | Low | Low | High | High | High | High |
| Li, 2012 | Low | Low | High | High | High | High |
| Wang, 2019 | Low | Low | High | Low | Low | Low |
| Wu, 2019 | Low | Low | High | Low | High | High |
| Yang, 2020 | Low | Low | High | Low | High | High |
| Zhang, 2018 | Low | Low | High | Low | High | High |
| Huang, 2018 | Low | Low | High | Low | Low | Low |
| Guan, 2017 | Low | Low | Low | Low | Low | Low |
| Hao, 2020 | Low | Low | Low | Low | Low | Low |
| Feng, 2008 | Low | Low | High | High | High | High |
| Wu, 2015 | Low | Low | High | Low | High | Low |
| Zhang, 2016 | Low | Low | Low | Low | Low | Low |
| Yang, 2015 | Low | Low | High | Low | Low | High |