(nRCT) Study = 6 | Selection | Comparability | Outcome/exposure | Score | |||||
---|---|---|---|---|---|---|---|---|---|
Item 1 | Item 2 | Item 3 | Item 4 | Item 5 | Item 6 | Item 7 | Item 8 | Â | |
Cai 2012 | * | Â | * | * | * | * | Â | * | 6 |
Liu 2018 | * | Â | * | * | * | * | Â | * | 6 |
Nmed 2019 | * | * | * | * | * | * | Â | * | 7 |
Shen 2015 | * | * | * | * | * | * | Â | * | 7 |
Wu 2019 | * | * | * | * | * | * | Â | * | 7 |
Cao 2012 | * | * | * | * | * | * | * | * | 8 |