Table 3.

Correlation of maximum keratometry (Kmax), mean keratometry (Kmean), minimum corneal thickness, and all corneal elevations and difference elevations.

Variable	Kmax		Kmean		Thinnest point thickness
	Spearman correlation	P-value	Spearman correlation	P-value	Spearman correlation	P-value
Anterior elevation (Regular BFS)	0.916	<0.001	0.844	<0.001	−0.743	<0.001
Posterior elevation (Regular BFS)	0.895	<0.001	0.844	<0.001	−0.711	<0.001
Anterior elevation (Enhanced)	0.952	<0.001	0.905	<0.001	−0.711	<0.001
Posterior elevation (Enhanced)	0.931	<0.001	0.905	<0.001	−0.730	<0.001
Anterior elevation differences	0.950	<0.001	0.933	<0.001	−0.756	<0.001
Posterior elevation differences	0.921	<0.001	0.916	<0.001	−0.718	<0.001

BFS: Best fit sphere; Kmax: Maximum keratometry; Kmean: Mean keratometry.