Research Article
Peripapillary Choroidal Thickness and Open-Angle Glaucoma: A Meta-Analysis
Table 2
Quality assessment of included studies using the Newcastle-Ottawa scale.
| | Selection | Comparability | Exposure |
Total score | | Case definition | Representativeness of the case | Selection of controls | Definition of controls | Comparability of cases and controls | Ascertainment of exposure | Same method of ascertainment for cases and controls | Nonresponse rate |
| Hirooka et al. 2012 [24] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Roberts et al. 2012 [28] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Usui et al. 2012 [25] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Li et al. 2013 [26] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Li et al. 2013 [27] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Hosseini et al. 2014 [22] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Zhang et al. 2014 [23] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Park et al. 2014 [18] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Chung et al. 2014 [19] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Kim et al. 2014 [20] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Lamparter et al. 2015 [29] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 | Van Keer et al. 2015 [30] | ☆ | | | ☆ | ☆☆ | ☆ | ☆ | | 6 | Jin et al. 2015 [21] | ☆ | ☆ | | ☆ | ☆☆ | ☆ | ☆ | | 7 |
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One ☆ represents one score and the maximum score is 9.
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