Predictive Factors for Successful Type 1 Big Bubble during Deep Anterior Lamellar Keratoplasty

Table 3

Correlation analysis for eyes with posterior scars on preoperative optical coherence tomography (OCT) assessment ().

Variable	value
OCT minimal epithelial thickness (µm)	0.003
OCT central epithelial thickness (µm)	0.89
OCT minimal corneal thickness (µm)	0.03
OCT central corneal thickness (µm)	0.16
Maximal-minimal corneal thickness < 220 (um)	0.006
Trephination diameter (mm)	0.44
Trephination depth (µm)	0.06
Diagnosis other than keratoconus	0.007