Assessment of Corneal Pachymetry Distribution and Morphologic Changes in Subclinical Keratoconus with Normal Biomechanics

Table 2

Stepwise multiple linear regression model analysis for the predictive model.

Main predictors	B	SE	Wald	value
Constant	−13.401	3.072	19.025	<0.001
DTCP-Apex	3.683	1.728	4.540	0.033
B_Ecc	4.804	1.997	5.786	0.016
PPImax	5.067	2.186	5.372	0.02
IHA	0.126	0.056	5.079	0.024

B, unstandardized coefficients; SE, standard error of B; D_TCP-Apex, distance between the corneal thinnest point and the apex; B_Ecc, back eccentricity; PPImax, maximum pachymetry progression index; IHA, index of height asymmetry.