Table 3.

Multivariate Linear Regression Analysis for the Factors Affecting the Value of Corneal Spherical Aberration (Z4)

	Unstandardized Coefficients		Standardized Coefficients	T	P value*
	B	Std. Error	Beta
(Constant)	−0.124	0.072		−1.712	0.087
Age	0.001	0.000	0.045	1.773	0.076
K average*	0.006	0.001	0.091	3.720	< 0.001
ACD*	0.035	0.007	0.130	5.066	< 0.001

Notes: R = 0.153; R² = 0.024. *P value is considered statistically significant if < 0.05.

Abbreviations: *K average, average keratometric readings; ACD, anterior chamber depth.