Epi-Off versus Epi-On Corneal Collagen Cross-Linking in Keratoconus Patients: A Comparative Study through 2-Year Follow-Up

Table 5

Postoperative confocal microscopy in epi-off versus epi-on patients after 2-year follow-up.

	Epi-off (%)	Epi-on (%)	value
Corneal nerve alteration	93.80	87.50	Not significant
Fibrotic reaction	43.75	25.00	<0.01
Alterated keratocyte	62.50	18.75	<0.001

Chi-square test for nonparametric variables.