Table 2.

The results of linear mixed-effect model adjusting for IOP and CCT.

Mean estimates values	Control (N = 100)	SKC (N = 100)	KC (N = 100)	P*	P#1	P#2	P#3
Max inverse radius	0.19	0.19	0.22	< 0.001	0.459	< 0.001	< 0.001
DA ratio max (2 mm)	4.85	4.86	5.47	< 0.001	0.937	< 0.001	< 0.001
Pachy slope	40.49	42.38	68.30	< 0.001	0.261	< 0.001	< 0.001
DA ratio max (1 mm)	1.63	1.65	1.69	< 0.001	0.198	< 0.001	< 0.001
ARTh	477.92	459.75	258.93	< 0.001	0.147	< 0.001	< 0.001
Integrated radius	9.65	9.74	11.51	< 0.001	0.550	< 0.001	< 0.001
SP-A1	101.99	98.99	88.77	< 0.001	0.011	< 0.001	< 0.001
CBI	0.09	0.22	0.92	< 0.001	< 0.001	< 0.001	< 0.001

SKC Subclinical keratoconus, KC Keratoconus, DA Deformation amplitude, ARTh Ambrósio’s relational thickness horizontal, bIOP Biomechanical corrected intraocular pressure, SP-A1 Stiffness parameter at the first applanation, CBI Corvis biomechanical index.

*Linear mixed-effect model; ^#1control versus SKC; ^#2control versus KC; ^#3SKC versus KC.