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

s means standard deviation; .