Correlations of Corneal Spherical Aberration with Astigmatism and Axial Length in Cataract Patients

Table 2

Demographic data of the astigmatism group and the control group.

Mean ± SD	Astigmatism group	Control group	value
Eyes	2416	4331	—
Age (years)	58.17 ± 16.81	61.82 ± 12.64	<0.001
Gender (male/Female)	1024/1392	1834/2497	0.976
CCT (mm)	538.85 ± 31.56	538.29 ± 31.66	0.486
Axial length (mm)	25.72 ± 3.18	24.63 ± 2.66	<0.001

SD = standard deviation; CCT = central corneal thickness. Independent two-sample t-test; Pearson’s χ² test.