Table 2.
Vessel density and macular retinal thickness in retinitis pigmentosa patients.
| Control | RP | P a value | RP with macular defect | RP with macular intact | Control vs. intact | Control vs. defect | Defect vs. intact | |
|---|---|---|---|---|---|---|---|---|
| P b value | P b value | P b value | ||||||
| SCP | ||||||||
| Whole | 53.51 ± 1.92 | 32.98 ± 3.46 | <0.001 | 31.87 ± 3.16 | 34.32 ± 3.66 | <0.001 | <0.001 | 0.262 |
| Fovea | 29.28 ± 2.73 | 12.19 ± 8.22 | <0.001 | 14.38 ± 5.84 | 9.56 ± 10.51 | <0.001 | <0.001 | 0.359 |
| Parafovea | 55.92 ± 2.44 | 35.60 ± 4.30 | <0.001 | 34.04 ± 3.98 | 37.16 ± 4.42 | <0.001 | <0.001 | 0.275 |
| Tempo | 54.53 ± 1.76 | 36.34 ± 6.89 | <0.001 | 36.52 ± 6.36 | 36.16 ± 8.14 | <0.001 | <0.001 | 0.094 |
| Superior | 56.85 ± 2.22 | 35.82 ± 6.40 | <0.001 | 34.04 ± 7.81 | 37.60 ± 4.82 | <0.001 | <0.001 | 0.411 |
| Nasal | 55.18 ± 2.28 | 36.52 ± 3.14 | <0.001 | 36.02 ± 3.60 | 37.12 ± 2.76 | <0.001 | <0.001 | 0.589 |
| Inferior | 56.50 ± 2.39 | 33.81 ± 9.23 | <0.001 | 30.50 ± 6.72 | 37.78 ± 10.97 | <0.001 | <0.001 | 0.24 |
| DCP | ||||||||
| Whole | 57.29 ± 6.63 | 37.20 ± 8.64 | <0.001 | 36.55 ± 1.94 | 37.98 ± 13.44 | <0.001 | <0.001 | 0.801 |
| Fovea | 28.71 ± 5.82 | 23.64 ± 7.91 | 0.03 | 21.26 ± 9.66 | 26.50 ± 4.56 | 0.426 | 0.015 | 0.296 |
| Parafovea | 61.19 ± 2.18 | 42.31 ± 4.29 | <0.001 | 38.96 ± 1.58 | 45.66 ± 3.29 | <0.001 | <0.001 | 0.003 |
| Tempo | 60.20 ± 1.73 | 41.43 ± 4.78 | <0.001 | 38.34 ± 4.52 | 44.52 ± 2.70 | <0.001 | <0.001 | 0.03 |
| Superior | 44.04 ± 5.49 | 62.34 ± 2.07 | <0.001 | 40.12 ± 4.69 | 47.96 ± 2.72 | <0.001 | <0.001 | 0.012 |
| Nasal | 61.22 ± 2.19 | 41.16 ± 5.72 | <0.001 | 38.73 ± 5.28 | 44.08 ± 8.23 | <0.001 | <0.001 | 0.127 |
| Inferior | 61.52 ± 2.26 | 40.93 ± 6.56 | <0.001 | 36.55 ± 4.67 | 46.18 ± 4.11 | <0.001 | <0.001 | 0.006 |
| CRT | ||||||||
| Fovea | 239.93 ± 9.59 | 196.36 ± 32.11 | <0.001 | 180.50 ± 35.25 | 215.40 ± 13.90 | <0.001 | <0.001 | 0.068 |
| Parafovea | 307.31 ± 9.29 | 247.70 ± 29.56 | <0.001 | 236.40 ± 23.89 | 259.00 ± 32.80 | <0.001 | <0.001 | 0.248 |
| Temporal | 296.59 ± 13.02 | 233.90 ± 30.68 | <0.001 | 217.20 ± 21.74 | 250.60 ± 30.78 | <0.001 | <0.001 | 0.083 |
| Superior | 312.00 ± 8.43 | 246.40 ± 34.68 | <0.001 | 227.20 ± 23.76 | 265.60 ± 34.92 | <0.001 | <0.001 | 0.077 |
| Nasal | 310.07 ± 10.30 | 261.64 ± 33.36 | <0.001 | 263.50 ± 36.51 | 259.40 ± 33.23 | <0.001 | <0.001 | 0.851 |
| Inferior | 287.80 ± 76.61 | 248.55 ± 33.40 | 0.124 | 238.83 ± 28.05 | 260.20 ± 38.64 | 0.147 | 0.453 | 0.315 |
SCP means superficial capillary plexuses, DCP means deep capillary plexuses, CRT means central retinal thickness, a for independent t-test, and b for LSD.