Review Article
Osteocalcin Serum Levels in Gestational Diabetes Mellitus and Their Intrinsic and Extrinsic Determinants: Systematic Review and Meta-Analysis
Table 2
Newcastle-Ottawa scale for case-control studies.
| Study | Selection | Definition of controls | Comparability | Exposure | Stars | Author | Year | Is the case definition adequate? | Representativeness of the cases | Selection of controls | Study controls for main outcome | Study controls for additional outcomes | Ascertainment of exposure | Same method of ascertainment for cases and controls | Nonresponse rate |
| Winhofer | 2010 | | | | | | | | | | 6 | Saucedo | 2015 | | | | | | | | | | 7 | Tabatabaei | 2014 | | | | | | | | | | 7 | Srichomkwun | 2015 | | | | | | | | | | 6 |
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