Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Quality assessment of the included non RCTs using Newcastle-Ottawa Scale
| [Study] | Selection | Comparability | Outcome/exposure |
|---|---|---|---|
| Noushin 2021 | *** | * | *** |
| Chang 2019 | *** | * | *** |
| Dzhincharadze 2021 | *** | * | *** |
| Tehraninejad 2020 | *** | * | *** |
| Kim 2019 | *** | --- | *** |
| Kusumi 2020 | *** | --- | *** |
| Dogra 2022 | *** | --- | *** |
| Wang 2018 | ** | --- | * |
| Zadehmodarres 2017 | ** | ---- | * |
| Madhavan 2018 | *** | * | ** |
| Xu 2022 | *** | * | ** |
| Coksuer 2019 | *** | *** | |
| Enatsu 2021 | *** | * | ** |
| Russell 2022 | *** | * | ** |
