Table 1.
Patient clinical characteristics
| Total | C0 | C1 | PDCA | MDCA | C3 | C4 | P valuea | Without severe Myopic Maculopathy (MM) | Severe MM | P valueb | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Eye # (%) | 457 | 44(9.6) | 112(24.5) | 122(26.7) | 104(22.8) | 45(9.8) | 30(6.6) | / | 278 | 179 | / |
| Age in yrs | 67.9 ± 6.3 | 64.6 ± 5.7 | 67.6 ± 5.2 | 67.4 ± 6.1 | 69.1 ± 7 | 69 ± 6.3 | 70.5 ± 7.6 | < 0.001 | 67 ± 5.7 | 69.3 ± 6.9 | < 0.001 |
| Men (%) | 191(41.8) | 27(61.4) | 47(42.0) | 54(44.3) | 42(40.4) | 13(28.9) | 8(26.7) | 0.021 | 128(46.0) | 63(35.2) | 0.025 |
| SER, D | − 9.34 ± 5.65 | − 6.17 ± 3.09 | − 8.27 ± 4.85 | − 8.9 ± 4.82 | − 11.83 ± 6.34 | − 9.88 ± 6.7 | − 10.28 ± 6.8 | < 0.001 | − 8.21 ± 4.68 | − 11.08 ± 6.53 | < 0.001 |
| AL, mm | 28.53 ± 1.85 | 26.71 ± 0.53 | 27.62 ± 1.37 | 28.18 ± 1.65 | 29.62 ± 1.68 | 30.26 ± 1.4 | 29.63 ± 1.74 | < 0.001 | 27.72 ± 1.49 | 29.79 ± 1.64 | < 0.001 |
| BCVA (logMAR) | 0.46 ± 0.37 | 0.16 ± 0.14 | 0.35 ± 0.29 | 0.42 ± 0.34 | 0.6 ± 0.38 | 0.59 ± 0.41 | 0.95 ± 0.35 | < 0.001 | 0.35 ± 0.31 | 0.64 ± 0.4 | < 0.001 |
| Tilt ratio | 0.70 ± 0.13 | 0.78 ± 0.1 | 0.7 ± 0.14 | 0.72 ± 0.12 | 0.65 ± 0.13 | 0.63 ± 0.13 | 0.66 ± 0.11 | < 0.001 | 0.72 ± 0.13 | 0.65 ± 0.13 | < 0.001 |
| Torsion0 | − 2.89 ± 33.72 | 6.52 ± 46.43 | − 5.43 ± 34.44 | − 1.43 ± 41.04 | − 5.35 ± 23.94 | − 0.16 ± 20.67 | − 8.76 ± 14.06 | 0.303 | − 1.78 ± 39.52 | − 4.62 ± 21.85 | 0.326 |
| PPA area (mm2) | 2.27 ± 2.18 | 0.52 ± 0.34 | 1.45 ± 1.16 | 1.53 ± 1.14 | 3.52 ± 2.59 | 4.15 ± 2.86 | 3.77 ± 2.12 | < 0.001 | 1.34 ± 1.12 | 3.72 ± 2.59 | < 0.001 |
AL axial length, BCVA best-corrected visual acuity, C0 no myopic maculopathy; C1 tessellated fundus, C3 patchy atrophy, C4 macular atrophy, D diopter, logMAR logarithm of minimal angle of resolution, MDCA macular diffuse choroidal atrophy, PDCA peripapillary diffuse choroidal atrophy, PPA peripapillary atrophy, SER spherical equivalent refraction; Eyes with C0, C1 and PDCA were classified as without severe MM, eyes with MDCA, C3 and C4 were classified as severe MM
aP value for the difference in characteristics between different degree of myopic maculopathy, based on One-way ANOVA test or x2 test, as appropriate
bP value for the difference in characteristics between eyes with and without severe MM, based on Student’s t-test or x2 test, as appropriate