Table 5.
Visual acuity over time in eyes that developed non-fibrotic scar, fibrotic scar and no scar at Year 1
| Status at Year 1 | Visual Acuity | Year | P* | |||
|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 5 | |||
| Nonfibrotic scar (N=39) | ≥20/20; n (%) | 0 (0) | 19 (49) | 12 (31) | 7 (18) | |
| 20/25–20/40; n (%) | 18 (46) | 19 (49) | 20 (51) | 21 (54) | ||
| ≤ 20/50; n (%) | 21 (54) | 1 (3) | 7 (18) | 11 (28) | ||
| Mean (SD); letters | 66 (9) | 80 (9) | 77 (8) | 73 (11) | <0.0001 | |
| Fibrotic scar (N=68) | ≥20/20; n (%) | 0 (0) | 7 (10) | 9 (13) | 4 (6) | |
| 20/25–20/40; n (%) | 12 (18) | 25 (37) | 22 (32) | 17 (25) | ||
| ≤ 20/50; n (%) | 56 (82) | 36 (53) | 37 (54) | 47 (69) | ||
| Mean (SD); letters | 54 (15) | 61 (21) | 63 (18) | 48 (27) | <0.0001 | |
| No scar (N=367) | ≥20/20; n (%) | 0 (0) | 73 (20) | 74 (20) | 43 (12) | |
| 20/25–20/40; n (%) | 181 (49) | 207 (56) | 201 (55) | 162 (44) | ||
| ≤ 20/50; n (%) | 186 (51) | 87 (24) | 92 (25) | 161 (44) | ||
| Mean (SD); letters | 65 (12) | 73 (14) | 72 (15) | 62 (23) | <0.0001 | |
| P** | <0.0001 | <0.0001 | <0.0001 | <0.0001 | ||
| P*** | 0.66 | 0.002 | 0.04 | 0.006 | ||
P* = For comparing mean VA in each group over time
P** = For comparing mean VA among three groups
P***= For comparing mean VA between nonfibrotic scar group and no scar group.