Table 2.
Methodological quality of included studies.
| Ardern et al. (2011b) |
Edwards et al. (2018) |
Hamrin Senorski et al. (2017) |
Langford et al. (2009) |
Lee et al. (2019) |
Müller et al. (2015) |
Nawasreh et al. (2018) |
Webster et al. (2019) |
|
|---|---|---|---|---|---|---|---|---|
| Study participation | High | High | High | Moderate | High | High | High | High |
| Study attrition | Low | Low | High | High | High | Low | High | High |
| Prognostic factor measurement | High | Moderate | High | High | High | High | High | High |
| Outcome measurement | High | High | High | High | High | High | High | High |
| Study confounding | High | Moderate | High | Moderate | High | Low | Moderate | Moderate |
| Statistical analysis and reporting | Low | High | High | Moderate | High | Moderate | Low | Moderate |