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 6
The CA changes in grade 4 students from 2014 to 2015.
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Chi-square test: X2 = 29.044, ; OR = 2.370 (95% CI 1.72∼3.26); RR = 1.530 (95% CI 1.28∼1.82); the number of students with increased CA; the number of students with decreased or unchanged CA; OR means odds ratio; RR means relative ratio. |