Table 4:
Thickness of OCT characteristics at 1, 2, and 5 years in eyes with non-fibrotic scar, fibrotic scar and no scar at Year 1
| OCT Feature Thickness, um | Scar Group | Year | P* | ||
|---|---|---|---|---|---|
| 1 | 2 | 5 | |||
| Mean (SD) | Mean (SD) | Mean (SD) | |||
| Retinal thickness | No scar (N=367) | 156 (53) | 156 (56) | 144 (85) | 0.007 |
| Nonfibrotic scar (N=39) | 165 (39) | 168 (52) | 163 (56) | 0.67 | |
| Fibrotic scar (N=68) | 161 (84) | 159 (91) | 162 (156) | 0.98 | |
| P§ | 0.63 | 0.51 | 0.25 | ||
| Subretinal fluid thickness | No scar (N=367) | 7.4 (26) | 9.4 (39) | 5.9 (22) | 0.32 |
| Nonfibrotic scar (N=39) | 5.7 (17) | 8.9 (21) | 7.0 (26) | 0.61 | |
| Fibrotic scar (N=68) | 8.3 (32) | 3.9 (19) | 1.3 (11) | 0.13 | |
| P§ | 0.90 | 0.50 | 0.24 | ||
| Subretinal tissue complex thickness | No scar (N=367) | 127 (117) | 127 (111) | 107 (101) | 0.0005 |
| Nonfibrotic scar (N=39) | 91 (68) | 95 (68) | 98 (78) | 0.77 | |
| Fibrotic scar (N=68) | 178 (102) | 157 (97) | 98 (81) | <0.0001 | |
| P§ | 0.0002 | 0.01 | 0.75 | ||
| Total retinal thickness, | No scar (N=367) | 290 (141) | 293 (138) | 258 (138) | <0.0001 |
| Nonfibrotic scar (N=39) | 261 (78) | 272 (88) | 271 (94) | 0.56 | |
| Fibrotic scar (N=68) | 347 (144) | 320 (144) | 278 (191) | 0.02 | |
| P§ | 0.003 | 0.18 | 0.62 | ||
§
For the comparison of difference among three scar groups.
*
For the comparison of difference among three time points within a given scar group.
OCT = Optical Coherence Tomography