Table 4. Multivariable regression model results for VA changes between baseline, 1st year and 2nd years excluding patients with ND lesion type (wet vs dry set, 1stCA, 2ndCA).
VA change after Year 1 | VA change after Year 2 | |||||||
---|---|---|---|---|---|---|---|---|
Variable | Estimate | SE | t value | Pr (>|t|) | Estimate | SE | t value | Pr (>|t|) |
Intercept | 36.6528 | 11.3307 | 3.2348 | 0.0014 | 45.6233 | 13.5096 | 3.3771 | 0.0009 |
Age (1 year increase) | −0.3347 | 0.1244 | −2.6899 | 0.0077 | −0.3982 | 0.1583 | −2.5152 | 0.0128 |
Gender: male vs female | 2.2303 | 2.1679 | 1.0288 | 0.3047 | 0.1000 | 2.5592 | 0.0391 | 0.9689 |
Baseline VA (ETDRS) | 0.5946 | 0.0538 | 11.0539 | 0.0000 | 0.5724 | 0.0596 | 9.6021 | 0.0000 |
Time to treatment (1 day increase) | 0.0003 | 0.0118 | 0.0288 | 0.9771 | 0.0188 | 0.0377 | 0.4970 | 0.6199 |
Lesion type: Mixed vs classic | −3.1347 | 3.5904 | −0.8731 | 0.3836 | 0.9366 | 4.4350 | 0.2112 | 0.8330 |
Lesion type: occult vs classic | 0.1421 | 2.5443 | 0.0558 | 0.9555 | 5.2651 | 3.0005 | 1.7547 | 0.0811 |
Lesion type: PCV vs classic | 1.3318 | 5.6620 | 0.2352 | 0.8143 | 11.8228 | 6.0292 | 1.9609 | 0.0516 |
Lesion type: RAP vs classic | 0.5021 | 3.7943 | 0.1323 | 0.8948 | −5.3562 | 4.2839 | −1.2503 | 0.2129 |
Number of injections in the first year (1-unit increase) | 3.0740 | 0.6276 | 4.8978 | 0.0000 | 0.8718 | 0.3812 | 2.2872 | 0.0234 |
Presence of fluid end LP: yes vs no | −4.7143 | 2.2393 | –2.1052 | 0.0364 | −5.0244 | 2.5849 | −1.9438 | 0.0536 |
Bilateral diagnosis: yes vs no | 2.7481 | 2.4866 | 1.1051 | 0.2703 | 3.3126 | 2.8576 | 1.1592 | 0.2480 |
*Adjusted R2 for the model is 0.45, **Patients with complete data were 225 for year 1.
*Adjusted R2 for the model is 0.43, **Patients with complete data were 178 for year 2.
IstCA, first-year completer analysis set; 2ndCA, second-year completer analysis set; ETDRS, early treatment diabetic retinopathy study; LP, loading phase; PCV, polypoidal choroidal vasculopathy; RAP, retinal angiomatous proliferation; SE, standard error; VA, visual acuity.