Table 7.
A difference in change in BCVA, DM, SM, and REG over 6-year observation between CD, CRD, and STGD groups: both eyes. BCVA: best corrected visual acuity. DM: cone density (1/mm). SM: cone spacing (m). REG: cone regularity (%). CD: cone dystrophy. CRD: cone–rod dystrophy. STGD: Stargardt disease.
| All Patients (N = 55) | CD (N = 9) | CRD (N = 8) | STGD (N = 38) | p-Value (Test) | |
|---|---|---|---|---|---|
| BCVA change | |||||
| Mean (SD) | −0.04 (0.1) | −0.03 (0.08) | −0.03 (0.14) | −0.04 (0.1) | 0.705 |
| Median | 0 | 0 | −0.04 | 0 | (Kruskal–Wallis) |
| Range | (−0.4)–0.2 | (−0.15)–0.1 | (−0.3)–0.2 | (−0.4)–0.04 | |
| DM change | |||||
| Mean (SD) | −3008.25 (3059.45) | −3697.39 (1571.73) | −1883.46 (4462.61) | −3092.98 (2983.56) | 0.338 |
| Median | −3600.12 | −3682.75 | −1139.75 | −3622 | (Kruskal–Wallis) |
| Range | (−10,290.42)–3798.33 | (−6004.92)–(−1358.5) | (−10,290.42)–3798.33 | (−8683.33)–3185.83 | |
| SM change | |||||
| Mean (SD) | 2.5 (4.13) | 1.96 (1.76) | 1.87 (4.43) | 2.8 (4.56) | 0.308 |
| Median | 1.41 | 1.33 | 0.23 | 1.55 | (Kruskal–Wallis) |
| Range | (−1.85)–24.39 | 0.38–5.66 | (−1.85)–12.18 | (−1.07)–24.39 | |
| REG change | |||||
| Mean (SD) | −2.31 (7.66) | −3.44 (3.67) | −2.76 (4.36) | −1.89 (9.04) | 0.475 |
| Median | −1.82 | −4.81 | −1.82 | 0.05 | (Kruskal–Wallis) |
| Range | (−27.74)–18.61 | (−7.57)–2.26 | (−11.55)–2.01 | (−27.74)–18.61 |