Table 3 Results throughout the follow-up
|  | N | Visual acuity mean ± SD/median | Change in thickness mean ± SD | Number of visits mean ± SD | Number of injections mean ± SD |
|---|---|---|---|---|---|
Initial | 314 | O.8 (20/125) ± 0.5/0.7 |  |  |  |
3 months | 314 | 0.7(20/100) ± 0.5/0.6 | −0.35 ± 0.35 | 2.7 ± 0.8 | 2.6 ± 0.5 |
1st year | 314 | 0.8(20/125) ± 0.5/0.7 | −0.32 ± 0.4 | 7.3 ± 2.1 | 3.9 ± 1.5 |
2nd year | 314 | 1(20/200) ± 0.6/0.8 | −0.3 ± 0.4 | 5.2 ± 2.7 | 1.1 ± 1.5 |
3rd year | 229 | 1(20/200) ± 0.6/1 | −0.3 ± 0.4 | 3.9 ± 2.3 | 1.5 ± 2.4 |
4th year | 109 | 1.1(20/250) ± 0.6/1 | −0.31 ± 0.4 | 3.6 ± 2.2 | 1.8 ± 3.1 |
Final/total | 314 | 1.1(20/250) ± 0.6/1 | −0.33 ± 0.4 | 17.7 ± 7.6 | 6.8 ± 5,1 |