Table 4.
Longitudinal Analysis on Visual Acuity Change*
| 68 weeks | 84 weeks | 104 weeks | 120 weeks | 136 weeks | 156 weeks | ||
|---|---|---|---|---|---|---|---|
| Ranibizumab + prompt laser treatment | N | 157 | 155 | 156 | 143 | 140 | 144 |
| Estimated mean visual acuity change** | 7.5 | 7.4 | 7.2 | 7.1 | 7.0 | 6.8 | |
| Ranibizumab + Deferred laser treatment | N | 167 | 160 | 161 | 149 | 143 | 147 |
| Estimated mean visual acuity change** | 8.6 | 8.8 | 9.0 | 9.2 | 9.4 | 9.7 | |
| Difference (95% CI): Prompt vs. Deferred | −1.0 (−2.6, +0.6) | −1.4 (−3.0, +0.3) | −1.8 (−3.6, +0.1) | −2.1 (−4.1, −0.1) | −2.5 (−4.7, −0.2) | −2.9 (−5.4, −0.4) | |
| P-value | 0.20 | 0.11 | 0.06 | 0.04 | 0.03 | 0.02 |
CI= Confidence interval
Truncated to ±30 letters.
The estimated changes after week 16, which coincide with completion of four mandatory monthly injections in each group; Ranibizumab + prompt laser treatment group: mean visual acuity change is decreasing by 0.4 letters per year; Ranibizumab + deferred laser treatment group: mean visual acuity change is increasing by 0.7 letters per year.