Research Article
Simultaneous Changes in Astigmatism with Noncycloplegia Refraction and Ocular Biometry in Chinese Primary Schoolchildren
Table 4
Baseline ocular biometry percentages associated with refractive status of non-CSA children.
| Variables | Hyperopes (≥+0.5 D) | Emmetropes (−0.5 D to +0.5 D) | Myopes (≤−0.5 D) | valuea | n | % | n | % | n | % |
| AL (mm) | <22.53 (25th percentile) | 80 | 44 | 166 | 25.4 | 37 | 12.4 | <0.001 | 22.53–23.58 | 89 | 48.9 | 362 | 55.4 | 119 | 39.8 | >23.58 (75th percentile) | 13 | 7.1 | 125 | 19.2 | 143 | 47.8 |
| AL/CRC ratio | <2.89 (25th percentile) | 69 | 37.9 | 134 | 20.5 | 30 | 10 | <0.001 | 2.89–2.99 | 103 | 56.6 | 417 | 63.9 | 112 | 37.5 | >2.99 (75th percentile) | 10 | 5.5 | 102 | 15.6 | 157 | 52.5 |
| Total | 182 | 100 | 653 | 100 | 299 | 100 |
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AL, axial length; CRC, corneal radius of curvature; D, diopters. aDetermined using Pearson χ2 test.
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