Table 4. Relationship of biometric and ultrasound biomicroscopy parameters with presence of acute angle closures.
| Parameters | Univariate Logistic Regression | Multivariate Logistic Regression* | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P Value | OR | 95% CI | P Value | |
| AXL (mm) | 0.662 | 0.372, 1.178 | 0.160 | |||
| CCT (μm) | 0.993 | 0.979, 1.007 | 0.303 | |||
| LT (mm) | 2.754 | 0.877, 8.643 | 0.083 | |||
| Kf (D) | 0.908 | 0.684, 1.205 | 0.503 | |||
| Ks (D) | 1.073 | 0.813, 1.416 | 0.619 | |||
| ACD (mm) × 10 | 0.736 | 0.602, 0.900 | 0.003 | 0.705 | 0.564, 0.880 | 0.002 |
| PD (mm) | 0.830 | 0.444, 1.552 | 0.560 | |||
| ACW (mm) | 0.342 | 0.126, 0.928 | 0.035 | |||
| LV (mm) | 47.755 | 3.322, 686.498 | 0.004 | |||
| AOD500 (mm) × 10 | 0.664 | 0.237, 1.861 | 0.436 | |||
| TISA500 (mm2) × 10 | 2.803 | 0.218, 36.019 | 0.429 | |||
| TAIA (degree) | 0.971 | 0.882, 1.070 | 0.551 | |||
| TPIA (degree) | 0.991 | 0.934, 1.051 | 0.991 | |||
| IT500 (mm) × 10 | 1.497 | 0.594, 3.775 | 0.393 | |||
| IC (mm) × 10 | 2.171 | 1.142, 4.128 | 0.018 | |||
| IRD (mm) × 10 | 3.562 | 1.314, 9.657 | 0.013 | 2.707 | 1.025, 7.149 | 0.045 |
| TCPD (mm) × 10 | 0.549 | 0.324, 0.931 | 0.026 | |||
| ICPD (mm) × 10 | 0.538 | 0.333, 0.869 | 0.011 | 0.557 | 0.335, 0.925 | 0.024 |
| TCA (degree) † | 0.952 | 0.916, 0.989 | 0.011 | |||
| CBT0 (mm) | 0.356 | 0.007, 17.233 | 0.602 | |||
| CBTmax (mm) | 0.694 | 0.016, 30.056 | 0.849 | |||
| CBT500 (mm) | 0.153 | 0.003, 7.216 | 0.340 | |||
Univariate and multivariate analyses were adjusted for age and sex; bold values are P < 0.05.
*Including parameters with P < 0.05 in univariate analysis and variance inflation factor less than 5.
† Not included in the multivariate analysis due to multicollinearity with TCPD.
ACD = anterior chamber depth; ACW = anterior chamber width; AOD500 = angle-opening distance at 500 μm; AXL = axial length; CBT0 = ciliary body thickness at the point of the scleral spur; CBT500 = ciliary body thickness at a distance of 500 μm; CBTmax = maximum ciliary body thickness; CCT = central corneal thickness; CI = confidence interval; IC = iris curvature; ICPD = iris-ciliary process distance; IRD = iris root distance; IT500 = iris thickness at 500 μm; Kf = flat keratometry; Ks = steep keratometry; LT = lens thickness; LV = lens vault; OR = odds ratio; PD = pupil diameter; TAIA = trabecular-anterior iris surface angle; TCA = trabecular-ciliary angle; TCPD = trabecular-ciliary process distance; TISA500 = trabecular-iris space area at 500 μm; TPIA = trabecular-posterior iris surface angle.