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Table 4 Multiple linear regression of potential factors related to errors in ablation depth calculation

From: Comparison of errors in ablation depth calculation after myopic femtosecond laser in situ keratomileusis in patients with different degrees of myopia: a prospective study

 

B

SE

p

Pre-SE (D)

1.850

0.291

< 0.001

Pre-CCT (mm)

0.10

0.019

0.584

Front Rper (mm)

0.002

0.007

0.823

Front Rmin (mm)

11.242

4.070

0.007

Back Rper (mm)

–8.212

4.583

0.076

Back Rmin (mm)

1.149

4.477

0.798

  1. Unstandardised coefficient, SE Standard error, Pre-SE Preoperative spherical equivalent, Pre-CCT Preoperative central corneal thickness. Rper, center of zone radius between the 7 and 9 mm ring; Rmin, minimum radius of curvature