Table 3. Comparison of the histopathologic findings of the keratoconus corneas according to the topographic and pachymetric measurements.

Findings	Mean K (D)			CCT (µm)
	Yes	No	P1	Yes	No	P1
Epithelial thinning	53.8±3.0	47.5±0.7	0.003	320±22	389±40	0.013
Breaks in the Bowman's layer	54.0±3.3	50.8±2.3	0.031	319±25	348±28	0.016
Folds in Descemet's membrane	55.3±2.4	52.1±3.3	0.003	311±16	334±31	0.021
Stromal fiber compaction	55.2±2.5	52.2±3.3	0.010	316±26	329±32	0.325
Superficial iron deposition	54.1±2.6	53.1±3.6	0.420	313±21	330±29	0.068
Collagen filling in Bowman's layer	55.0±3.2	52.7±3.2	0.074	310±22	331±30	0.075
Epithelial scars	55.7±2.8	52.6±3.1	0.012	305±18	331±29	0.001
Breaks in Descemet's membrane	56.0±2.6	52.6±3.1	0.010	308±13	330±29	0.046
Stromal scars	57.2±1.8	52.3±2.8	<0.001	303±11	330±28	0.003
Endothelial cell loss	53.8±3.5	52.0±2.0	0.158	313±32	327±26	0.079

¹Mann-Whitney U test. CCT: Central corneal thickness, D: Diopter, K: Keratometry.