Study of association between corneal shape parameters and axial length elongation during orthokeratology using image-pro plus software

Table 2 Linear regression analysis of the associations of 18-month ALG changes with various characteristics

	Univariate model		Multivariate model
	*P Value*	Standard Regression	*P Value*	Standard Regression
	*P Value*	Coefficient	*P Value*	Coefficient
Age (years)	0.015	−0.239*	0.007	−0.235*
Baseline SE(D)	0.417	−0.061
Eccentric distance	0.001	−0.324*	< 0.001	−0.370*
TZ area	0.002	0.306*	0.006	0.276*
TZ diameter-max	0.005	0.271*
TZ diameter-mean	0.001	0.315*
TZ diameter-min	0.002	0.306*
TZ fractal dimension	0.029	−0.214*	0.385	−0.086
TZ radius ratio	0.145	−0.144
Pupil area	0.394	0.084
Pupillary PSZ area	0.506	0.066
Pupillary PSZ area/Pupil area	0.811	0.024

ISSN: 1471-2415