Research Article

Peripapillary Choroidal Thickness and Open-Angle Glaucoma: A Meta-Analysis

Table 2

Quality assessment of included studies using the Newcastle-Ottawa scale.

SelectionComparabilityExposure Total score
Case definitionRepresentativeness of the caseSelection of controlsDefinition of controlsComparability of cases and controlsAscertainment of exposureSame method of ascertainment for cases and controlsNonresponse 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

One ☆ represents one score and the maximum score is 9.