Table 1 Demographic and refractive data of group 1 (myopic 4–11 years) versus normal controls (4–11 years) and group 2 (myopic 12–18 years) versus normal controls (12–18 years)
From: Optical coherence tomography angiography of the macula of high myopia in children and adolescents
Variable | Group 1 Myopic (4–11 years) N = 34 | Normal control (4–11 years) N = 34 | P value | Variable | Group 2 (Myopic 12–18 years) N = 34 | Normal control (12–18 years) N = 34 | P value |
|---|---|---|---|---|---|---|---|
Age/years | Age/years | ||||||
Mean ± SD Median (range) | 7.66 ± 2.24 7 (4:11) | 7.76 ± 1.95 8 (4:11) | 0.77 | Mean ± SD Median (range) | 15.46 ± 2.24 16 (12:18) | 15.18 ± 1.60 15 (12.5:18) | 0.41 |
Gender | Gender | ||||||
Female Male | 24 (70.59%) 10 (29.41%) | 17 (50.00%) 17 (50.00%) | 0.08 | Female Male | 21 (61.76%) 13 (38.24%) | 19 (55.88%) 15 (44.11%) | 0.55 |
Eye | Eye | ||||||
Left Right | 16 (47.06%) 18 (52.94%) | 16 (47.06%) 18 (52.94%) | 1.00 | Left Right | 16 (47.06%) 18 (52.94%) | 19 (55.88%) 15 (44.11%) | 0.39 |
Axial length | Axial length | ||||||
Mean ± SD | 27.82 ± 1.30 | 23.07 ± 0.90 | < 0.0001 | Mean ± SD | 27.97 ± 0.83 | 23.05 ± 0.74 | < 0.0001 |
Manifest refraction | Manifest refraction | ||||||
Mean ± SD | -12.61 ± 5.83 | 0.02 ± 0.54 | < 0.0001 | Mean ± SD | -11.40 ± 7.40 | 0 ± 0.42 | < 0.0001 |
Cycloplegic refraction | Cycloplegic refraction | ||||||
Mean ± SD | -11.95 ± 4.70 | 1.46 ± 0.39 | < 0.0001 | Mean ± SD | -12.31 ± 3.21 | 1.30 ± 0.47 | < 0.0001 |
K1 | K1 | ||||||
Mean ± SD | 43.84 ± 2.16 | 42.29 ± 1.18 | 0.03 | Mean ± SD | 43.14 ± 1.44 | 42.48 ± 1.06 | 0.006 |
K2 | K2 | ||||||
Mean ± SD | 44.62 ± 2.03 | 42.65 ± 0.81 | < 0.0001 | Mean ± SD | 44.68 ± 1.71 | 42.80 ± 0.77 | < 0.0001 |
BCVA | BCVA | ||||||
Mean ± SD | 0.63 ± 0.15 | 0.95 ± 0.07 | < 0.0001 | Mean ± SD | 0.63 ± 0.15 | 0.95 ± 0.07 | < 0.0001 |