Table 2.

Means or medians for each parameter in the different progressive cone cornea groups.

Parameter	Median
	Normal group	Setback group	Subclinical group	Clinical stage group
Df	0.11	0.78	3.34	11.09
Db	0	0.28	3.10	10.03
Dp	1.09	2	4.24	8.7
Dt	−0.07	0.65	2.23	3.02
Da	0.92	1.77	0.39	3.14
BAD-D	1.25	1.77	3.91	9.75
CBI	0.01	0.06	0.87	1
TBI	0.23	0.36	1	1
Kmax	44.2	45.25	47.9	46.65
Integrated radius	7.6	8.5	9.5	10.6
DA ratio	4.2	4.3	7.8	5.4