Table 5 Annual refractive change in children with different refractive statuses
N (%) | Annual SE change in 2020 | Annual SE change in 2021 | t | P | |
|---|---|---|---|---|---|
All | 12,766 (100%) | -0.68 (-0.69, -0.67) | -0.46 (-0.48, -0.43) | 35.61 | < 0.001 |
Hyperopia | 4018 (31.47%) | -0.55 (-0.64, -0.50) | -0.53 (-0.63, -0.49) | 20.94 | < 0.001 |
Emmetropia | 5674 (44.45%) | -0.49 (-0.52, -0.46) | -0.45 (-0.47, -0.41) | 38.72 | < 0.001 |
Mild myopia | 1941 (15.20%) | -0.56 (-0.61, -0.50) | -0.55 (-0.58, -0.46) | 24.56 | < 0.001 |
Middle myopia | 924 (7.24%) | -0.65 (-0.71, -0.59) | -0.62 (-0.66, -0.59) | 25.36 | < 0.001 |
High myopia | 209 (1.64%) | -0.73 (-0.81, -0.64) | -0.78 (-0.82, -0.67) | 17.73 | < 0.001 |