Table 5.
Comparison Between Eyes With Incident Peripapillary Diffuse Choroidal Atrophy and Stable Eyes Using Mann–Whitney U Test
| Characteristic | Incident Group (47 Eyes) | Stable Group (189 Eyes) | P |
| Baseline | |||
| Age, mean (SD), years | 11.5 (2.8) | 12.0 (2.2) | 0.35 |
| Best-corrected visual acuity (logMAR), mean (SD) | 0.04 (0.09) | 0.04 (0.11) | 0.25 |
| Refractive error, mean (SD), D | −7.54 (1.81) | −7.37 (1.38) | 0.80 |
| Distance between optic center and outer border of gamma zone, mean (SD), mm | 0.93 (0.27) | 0.92 (0.26) | 0.66 |
| Parapapillary gamma zone maximal width, mean (SD), mm | 0.41 (0.19) | 0.39 (0.21) | 0.43 |
| Degree of macular fundus tessellation, mean (SD) | 1.38 (0.57) | 0.98 (0.49) | <0.001 |
| Degree of fundus tessellation in the superior parapapillary region, mean (SD) | 1.66 (0.64) | 1.16 (0.55) | <0.001 |
| Degree of fundus tessellation in the inferior parapapillary region, mean (SD) | 2.11 (0.67) | 1.39 (0.65) | <0.001 |
| Degree of fundus tessellation in the nasal parapapillary region, mean (SD) | 1.70 (0.59) | 1.24 (0.58) | <0.001 |
| Degree of fundus tessellation in the temporal parapapillary region, mean (SD) | 1.74 (0.60) | 1.11 (0.59) | <0.001 |
| Follow-up | |||
| Best-corrected visual acuity (logMAR), mean (SD) | 0.02 (0.04) | 0.01 (0.05) | 0.10 |
| Refractive error, mean (SD), D | −10.3 (2.32) | −9.40 (1.69) | 0.02 |
| Distance between optic center and outer border of gamma zone, mean (SD), mm | 1.39 (0.32) | 1.24 (0.29) | 0.005 |
| Parapapillary gamma zone maximal width, mean (SD), mm | 0.77 (0.29) | 0.64 (0.29) | 0.008 |
| Degree of macular fundus tessellation, mean (SD) | 2.19 (0.65) | 1.43 (0.58) | <0.001 |
| Degree of fundus tessellation in the superior parapapillary region, mean (SD) | 2.30 (0.55) | 1.55 (0.59) | <0.001 |
| Degree of fundus tessellation in the inferior parapapillary region, mean (SD) | 2.64 (0.48) | 1.89 (0.65) | <0.001 |
| Degree of fundus tessellation in the nasal parapapillary region, mean (SD) | 2.32 (0.52) | 1.60 (0.61) | <0.001 |
| Degree of fundus tessellation in the temporal parapapillary region, mean (SD) | 2.64 (0.48) | 1.56 (0.62) | <0.001 |
| Changes in variables | |||
| Change in refractive error, mean (SD), D | −2.82 (1.63) | −2.00 (1.18) | 0.002 |
| Change in degree of macular fundus tessellation, mean (SD) | 0.81 (0.57) | 0.45 (0.52) | <0.001 |
| Change in degree of fundus tessellation in the superior parapapillary region, mean (SD) | 0.64 (0.54) | 0.39 (0.50) | 0.003 |
| Change in degree of fundus tessellation in the inferior parapapillary region, mean (SD) | 0.53 (0.58) | 0.50 (0.54) | 0.85 |
| Change in degree of fundus tessellation in the nasal parapapillary region, mean (SD) | 0.62 (0.49) | 0.36 (0.52) | 0.001 |
| Change in degree of fundus tessellation in the temporal parapapillary region, mean (SD) | 0.89 (0.59) | 0.46 (0.54) | <0.001 |
| Change in parapapillary gamma zone maximal width, mean (SD), mm | 0.31 (0.19) | 0.22 (0.16) | 0.003 |
| Time of follow-up, mean (SD), years | 5.0 (1.1) | 4.9 (1.2) | 0.32 |
logMAR, logarithm of minimum angle of resolution.