From: Association of the androgens with COVID-19 prognostic outcomes: a systematic review
cohort studies | Selection | Comparability | Outcome | Â | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Representativeness of the exposed cohort | Selection of non-exposed cohort | Ascertainment of exposure | Outcome not presented at the start | age | Most of additional factors | Assessment of outcome | Follow-up long enough | Adequacy of follow up | Total score |
Çayan, 2020 | * | * | * | - | - | * | * | * | * | 7/9 |
Salciccia, 2020 | * | * | * | * | * | * | - | - | - | 6/9 |
Karkin, 2021 | * | * | * | - | - | * | * | * | - | 6/9 |
Salciccia, 2021 | * | * | * | - | * | * | - | * | - | 6/9 |
Schroeder, 2021 | * | * | * | - | * | * | * | * | * | 8/9 |
Apaydin, 2022 | * | * | * | * | * | * | - | * | * | 8/9 |
Cinislioglu, 2022 | * | * | * | * | * | * | - | * | * | 8/9 |
Marinelli, 2022 | * | * | * | - | * | * | * | * | - | 7/9 |
Toscano Guerra, 2022 | * | * | * | - | - | * | * | * | - | 6/9 |
Vena, 2022 | * | * | * | * | - | * | - | * | * | 7/9 |
Yeap, 2022 | * | * | * | - | - | * | * | * | * | 7/9 |
Zheng, 2022 | * | * | * | - | - | * | - | - | - | 4/9 |
case-control | Selection | Comparability | Outcome | Â | ||||||
 | Is the case definition adequate? | Representativeness of the cases | Selection of Controls | Definition of Controls | age | Most of additional factors | Assessment of outcome | Same method of ascertainment for cases and controls | Non- Response rate | Total score |
Camici, 2021 | * | * | * | * | * | * | - | * | * | 8/9 |
Infante, 2021 | * | * | * | * | * | * | * | * | - | 8/9 |
Salonia, 2021 | * | * | * | * | - | * | - | * | * | 7/9 |
van Zeggeren, 2021 | * | * | * | * | * | * | * | * | * | 9/9 |