Table 9.
Study excluded | Fixed-effects model | Random-effects model | Heterogeneity | ||
---|---|---|---|---|---|
WMD (95% CI) | P | WMD (95% CI) | P | I2 | |
Sarigül Sezenöz et al. (43) | −2.16 (−3.53,−0.79) | 0.002 | −3.28 (−6.75, 0.19) | 0.06 | 80% |
Aydogan et al. (39) | −4.54 (−6.57, −2.51) | <0.0001 | −4.54 (−6.57, −2.51) | <0.0001 | 0% |
Holo et al. (48) | −1.49 (−2.92, −0.06) | 0.04 | −1.93 (−4.05, 0.19) | 0.08 | 39% |
Garas et al. (46) | −1.96 (−3.42, −0.51) | 0.008 | −3.52 (−7.20, 0.69) | 0.11 | 79% |
PPG, pre-perimetric glaucoma; OHT, ocular hypertension; mGCC, macular ganglion cell complex; WMD, weighted mean difference; CI, confidence interval; I2, I-square heterogeneity statistic. The bold values refer to the study that has contributed mostly to the heterogeneity.