Table 1.
Variable | Group A Ortho-K |
Group B 0.01%A |
Group C 0.05%A |
Total | P-value | Post-hoc |
---|---|---|---|---|---|---|
N | 52 | 36 | 36 | 124 | ||
Age Group | 0.235 | |||||
< 12 y/o | 22(42.3%) | 20(55.6%) | 13(36.1%) | 55(44.4%) | ||
≧12 y/o | 30(57.7%) | 16(44.4%) | 23(63.9%) | 69(55.6%) | ||
Gender | 0.552 | |||||
Male | 21(40.4%) | 18(50.0%) | 18(50.0%) | 57(46.0%) | ||
Female | 31(59.6%) | 18(50.0%) | 18(50.0%) | 67(54.0%) | ||
Inter-eye SE difference (D)& | 1.27(1.00, 3.38) | 1.25(1.00, 2.50) | 1.25(1.00, 2.75) | 1.25(1.00, 3.38) | 0.983 | |
Inter-eye AL difference (mm) | 0.53 ± 0.29 | 0.41 ± 0.25 | 0.42 ± 0.20 | 0.46 ± 0.26 | 0.069 | |
More myopic eye | ||||||
Initial AL (mm) | 25.33 ± 1.19 | 24.71 ± 1.29 | 24.35 ± 0.82 | 24.82 ± 1.13 | < 0.001* | A > B, C |
Initial SE (D) | − 5.27 ± 2.31 | − 3.36 ± 1.73 | − 3.12 ± 1.35 | − 4.09 ± 2.14 | < 0.001* | A < B, C |
Initial K1 (D) | 43.00 ± 1.31 | 42.93 ± 1.31 | 42.83 ± 1.29 | 42.93 ± 1.30 | 0.832 | |
Initial K2 (D) | 44.33 ± 1.45 | 44.02 ± 1.54 | 43.78 ± 1.40 | 44.08 ± 1.47 | 0.219 | |
Less myopic eye | ||||||
Initial AL (mm) | 24.84 ± 1.18 | 24.00 ± 0.64 | 23.87 ± 0.65 | 24.38 ± 1.11 | < 0.001* | A > B, C |
Initial SE (D) | − 3.77 ± 2.19 | − 1.88 ± 1.66 | − 1.66 ± 1.38 | − 2.61 ± 2.07 | < 0.001* | A < B, C |
Initial K1 (D) | 42.92 ± 1.34 | 42.92 ± 1.47 | 42.80 ± 1.24 | 42.89 ± 1.34 | 0.901 | |
Initial K2 (D) | 44.36 ± 1.44 | 44.08 ± 1.47 | 43.85 ± 1.48 | 44.13 ± 1.47 | 0.266 | |
Follow-up Time (years) | 1.47 ± 0.61 | 1.51 ± 0.57 | 1.29 ± 0.59 | 1.43 ± 0.59 | 0.232 |
Data are presented as n(%) or mean ± standard deviation or &median (minimum, maximum).
*p-value < 0.05 was considered statistically significant after test.
A = atropine, AL = axial length, D = dioptre, K = keratometry, K1 = the refraction measured on the flattest curve of the cornea, K2 = the refraction measured on the deepest curve of the cornea, mm = millimetre, Ortho-K = orthokeratology, SE = spherical equivalent.