Table 3 Rate of progression in the right eye of advanced-stage retinitis pigmentosa calculated using spectral-domain optical coherence tomography and fundus autofluorescence.
Outcome | Progression ± SE (µm/year) | Progression (degrees/year) | P Value |
---|---|---|---|
Ellipsoid zone overall | 140 ± 12 | 0.49 | <0.001 |
Baseline ≤ 3000 µm | 113 ± 14 | 0.40 | <0.001 |
Baseline > 3000 µm | 200 ± 20 | 0.70 | <0.001 |
Horizontal diameter overall | 149 ± 15 | 0.52 | <0.001 |
Baseline ≤ 3000 µm | 109 ± 27 | 0.38 | <0.001 |
Baseline > 3000 µm | 170 ± 17 | 0.60 | <0.001 |
Vertical diameter overall | 120 ± 14 | 0.42 | <0.001 |
Baseline ≤ 3000 µm | 86 ± 14 | 0.30 | <0.001 |
Baseline > 3000 µm | 169 ± 19 | 0.60 | <0.001 |