Table 2.
Multivariate Analysis of Parameters Associated with TRT in the 1-mm (Subfoveal), 3-mm, and 6-mm Circles at Study Baseline (N = 143)
| Total Retinal Thickness (µm) | ||||||
|---|---|---|---|---|---|---|
| Parameter | 1-mm Circle | P | 3-mm Circle | P | 6-mm Circle | P |
| Age (y) | 0.025 (−0.49, 0.54) | 0.92 | −0.24 (−0.66, 0.18) | 0.26 | 0.17 (−0.55, 0.13) | 0.23 |
| Male (%) | 12.00 (3.88, 20.12) | 0.004 | 6.98 (0.36, 13.59) | 0.039 | 2.69 (−2.63, 8.00) | 0.32 |
| Smoking status | −3.93 (−11.78, 3.91) | 0.32 | −2.23 (−8.61, 4.16) | 0.49 | −1.47 (−6.60, 3.65) | 0.57 |
| BCVA (letters) | 1.66 (0.97, 2.36) | <0.0001 | 0.97 (0.41, 1.54) | 0.0009 | 0.43 (−0.025, 0.88) | 0.064 |
| Pseudophakia | −1.79 (−11.60, 8.03) | 0.72 | −5.27 (−13.26, 2.72) | 0.19 | −5.40 (−11.83, 1.02) | 0.098 |
| Group 1 vs. Group 0 | 15.56 (3.16, 27.96) | 0.014 | 2.17 (1.001, 21.19) | 0.032 | 6.67 (−1.44, 14.79) | 0.11 |
| Group 2 vs. Group 0 | −2.57 (−13.06, 7.92) | 0.63 | −2.13 (−10.67, 6.40) | 0.62 | −0.55 (−7.42, 6.31) | 0.87 |
| Group SDD vs. Group 0 | −16.46 (−30.27, −2.64) | 0.020 | −11.21 (−22.46, 0.035) | 0.051 | −3.13 (−12.06, 5.80) | 0.49 |
| Mean choroid thickness* | −0.063 (−0.11, −0.017) | 0.0075 | −0.025 (−0.062, 0.012) | 0.19 | −0.011 (−0.045, 0.023) | 0.52 |
| Mean choroidal vascularity index* | 18.98 (−53.85, 91.80) | 0.61 | 25.93 (−33.36, 85.21) | 0.39 | 52.17 (−7.67, 112.01) | 0.087 |
Values represent estimates with 95% confidence intervals in parentheses. Significant estimates are highlighted in bold.
*
Choroidal features were assessed for total retina thickness (TRT) in single horizontal scans traversing the fovea across the 1-mm, 3-mm, and 6-mm regions centered on the fovea.