First author (year) | Selection | Comparability | Outcome | Total | ||||
---|---|---|---|---|---|---|---|---|
Representativeness of the sample | Sample size | Nonrespondents | Ascertainment of exposure | The subjects in different outcome groups are comparable, based on the study design or analysis. Confounding factors are controlled | Assessment of outcome | Statistical test | Â | |
Aguiar (2019) [25] | * | 118 | * | * | ** | * | * | 8/10 |
Canhão (2005) [31] | * | 624 |  | * | * | * | * | 6/10 |
Chen (2022) [32] | * | 260 | Â | * | ** | * | * | 7/10 |
Coutinho (2015) [35] | * | 382 | Â | Â | ** | * | * | 6/10 |
Ding (2017) [38] | * | 151 | Â | * | ** | * | * | 6/10 |
J.Khambholja (2024) [48] | Â | 30 | Â | * | * | * | * | 5/10 |
Liang (2017) [55] | Â | 43 | * | * | ** | * | * | 7/10 |
Mu (2022) [60] | Â | 112 | * | * | ** | * | * | 7/10 |
Ortega-gutierrez (2019)Â | * | 176 | Â | * | ** | * | * | 7/10 |
Shakibajahromi (2020) [66] | Â | 174 | Â | * | ** | * | * | 6/10 |
Sun (2023) [71] | Â | 137 | Â | * | ** | * | * | 6/10 |
Wu (2020) [74] | Â | 160 | Â | * | ** | * | * | 6/10 |