Table 4: Multivariate analysis on predictive factors affecting successful LASIK procedure using binary logistic regression stepwise method.

Predictor B S.E. Wald df Sig. aOR 95% C.I.for aOR
Lower Upper
Sphere 0.596 0.096 38.317 1 <0.001 1.815 1.503 2.192
Astigmatism 0.967 0.183 27.813 1 <0.001 2.629 1.836 3.766
LogMar -3.177 1.227 6.706 1 0.010 0.042 0.004 0.462

a. Variable(s) entered on step 1: SperCategories, MRSEprelk, spherisprelk, astigmaprelk, logmarpreL, axial_length