Author, year | Domain 1: participants | DOMAIN 2: Predictors | DOMAIN 3: Outcome | DOMAIN 4: Analysis | Overal risk of bias |
---|---|---|---|---|---|
Yu, 2019 | Low | Low | Low | Low | Low |
Yamamoto, 2015 | Low | Low | Low | Low | Low |
Liu, 2013 | Low | Low | Low | High | High |
Zhang, 2014 | Low | Low | Low | High | High |
Chen, 2014 | Low | Low | Low | Low | Low |
Yin, 2013 | Low | Low | Low | High | High |
Zhao, 2018 | High | Low | Low | Low | High |
Niño, 2017 | Low | Low | Low | High | High |
Zhao, 2013 | High | Low | Low | Low | High |
Zhang, 2016 | Low | Low | Low | Low | Low |
Wang, 2014 | Low | Low | Low | High | High |
Henning, 2019 | Low | Low | Low | High | High |
Chen, 2019 | Low | Low | Low | Low | Low |
Duplessis, 2018 | Low | Low | Low | High | High |
Kofoed, 2008 | Low | Low | Low | High | High |
Viallon, 2008 | Low | Low | Low | High | High |
Carpio, 2015 | Low | Low | Low | High | High |
Song, 2019 | Low | Low | Low | High | High |