Table 2.
QUIPS quality assessment summary: review authors’ judgements.
| Author, year | Risk of bias | |||||
| Study participation | Study attrition | Prognostic factor measurement | Outcome measurement | Statistical analysis and reporting | Overall | |
| Scheetz et al., 2007 | LOW | MODERATE | MODERATE | LOW | LOW | MODERATE |
| Caterino et al., 2011 | LOW | HIGH | MODERATE | MODERATE | LOW | HIGH |
| Newgard et al., 2012 | LOW | MODERATE | MODERATE | MODERATE | LOW | MODERATE |
| Newgard et al., 2014 | LOW | MODERATE | MODERATE | MODERATE | LOW | MODERATE |
| Davidson et al., 2014 | LOW | MODERATE | MODERATE | LOW | LOW | MODERATE |
| Brown et al., 2015 | LOW | MODERATE | MODERATE | LOW | LOW | MODERATE |
| Nishijima et al., 2017 | LOW | HIGH | MODERATE | LOW | LOW | HIGH |
| Benjamin et al., 2018 | LOW | HIGH | MODERATE | LOW | LOW | HIGH |
| Newgard et al., 2019 | LOW | MODERATE | MODERATE | MODERATE | LOW | MODERATE |