Fig 1.
Ring and stop in microkeratome flap.
Fig 2.
Expected flap size for rings and stops per microkeratome nomogram.
Table 1.
Demographics of free flap eyes.
Fig 3.
Free flap incidence per rings and stops.
Table 2.
Odds ratios of rings, stops and free flap incidence.
Table 3.
Odds ratios of keratometry and free flap incidence.
Fig 4.
Surgeons’ experience and free flap incidence.
Fig 5.
LASIK bins per surgeon and free flap incidence.
Table 4.
Odds ratios of central corneal thickness and free flap incidence.
Fig 6.
Predicted incidence of free flap by ring and stop.
Fig 7.
Predicted incidence of free flap by keratometry.
Table 5.
Multivariance logistic regression for keratometries, rings, stops and CCT of the training data set.
Fig 8.
Predicted incidence of free flap by central corneal thickness.
Fig 9.
Sensitivity and specificity of prediction model on test data set.