Research Article
Development of Corneal Astigmatism (CA) according to Axial Length/Corneal Radius (AL/CR) Ratio in a One-Year Follow-Up of Children in Beijing, China
Table 3
Oculometric parameters for male and female school children in grade 1 (aged 5–8 years) in 2014 and 2015 (
) (
n).
| Grade 1 | Boys | Girls | | 95% CI |
| UCVA ± s (n) | Year 2014 | 1.02 ± 0.28 (651) | 1.01 ± 0.25 (630) | 0.350 | −0.01∼0.04 | Year 2015 | 0.92 ± 0.30 (592) | 0.93 ± 0.29 (575) | 0.484 | −0.02∼0.04 | AL ± smm (n) | Year 2014 | 23.00 ± 0.67 (647) | 22.44 ± 0.66 (623) | 0.001 | 0.49∼0.63 | Year 2015 | 23.40 ± 0.81 (592) | 22.87 ± 0.83 (577) | 0.001 | 0.43∼0.62 | K ± sD (n) | Year 2014 | 43.26 ± 1.46 (632) | 43.38 ± 1.43 (620) | 0.001 | −0.28∼0.05 | Year 2015 | 42.92 ± 1.40 (556) | 43.65 ± 1.41 (547) | 0.001 | −0.89∼−0.56 | CA ± sD (n) | Year 2014 | 1.07 ± 0.59 (632) | 1.14 ± 0.63 (632) | 0.036 | −0.15∼−0.01 | Year 2015 | 1.08 ± 0.57 (556) | 1.18 ± 0.61 (547) | 0.008 | −0.17∼−0.03 | CR ± smm (n) | Year 2014 | 7.86 ± 0.26 (632) | 7.74 ± 0.24 (620) | 0.001 | 0.10∼0.15 | Year 2015 | 7.87 ± 0.26 (556) | 7.74 ± 0.25 (547) | 0.001 | 0.10∼0.16 | AL/CR ± s (n) | Year 2014 | 2.92 ± 0.14 (632) | 2.89 ± 0.21 (620) | 0.001 | 0.01∼0.05 | Year 2015 | 2.98 ± 0.11 (556) | 2.96 ± 0.11 (547) | 0.010 | 0.00∼0.03 |
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s means standard deviation; . |