Table 4. Multivariate analysis of intereye comparisons in the myopic and nonmyopic asymmetric group.
| Univariate analysis | Multivariate analysis | Multivariate analysis | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | ||||||||
| Parameter | Odds ratio | 95% CI | P* | Odds ratio | 95% CI | P* | Odds ratio | 95% CI | P* |
| Myopic subgroup | |||||||||
| Spherical equivalent | 1.062 | 1.021–1.105 | 0.003 | 1.068 | 1.024–1.114 | 0.002 | |||
| Untreated initial IOP | 0.945 | 0.889–1.005 | 0.073 | 0.940 | 0.879–1.005 | 0.071 | 0.948 | 0.886–1.014 | 0.121 |
| CCT | 1.001 | 0.998–1.004 | 0.343 | ||||||
| Ovality index | 0.149 | 0.038–0.582 | 0.006 | ||||||
| Torsion | 1.006 | 0.995–1.018 | 0.259 | ||||||
| PPA/Disc ratio | 0.512 | 0.300–0.875 | 0.014 | 0.512 | 0.282–0.931 | 0.028 | |||
| Nonmyopic subgroup | |||||||||
| Spherical equivalent | 0.765 | 0.576–1.016 | 0.063 | 0.887 | 0.601–1.308 | 0.544 | |||
| Untreated initial IOP | 0.856 | 0.776–0.945 | 0.002 | 0.869 | 0.770–0.979 | 0.022 | 0.864 | 0.769–0.970 | 0.013 |
| CCT | 1.001 | 0.998–1.005 | 0.396 | ||||||
| Ovality index | 0.070 | 0.001–5.370 | 0.230 | ||||||
| Torsion | 0.999 | 0.984–1.013 | 0.848 | ||||||
| PPA/Disc ratio | 0.107 | 0.030–0.391 | 0.001 | 0.112 | 0.028–0.457 | 0.002 | 0.110 | 0.028–0.432 | 0.002 |
OR, odds ratio; CI, confidence interval; IOP, intraocular pressure; CCT, central corneal thickness; PPA, peripapillary atrophy;
* P value was calculated by generalized estimation equation (GEE) approach, using binary logistic regression with worse versus better eye as binary outcome measurement.