TABLE 5.
Logistic regression analysis of bilateral differential parameters in discriminating keratoconus.
β | S.E. | Wald | df | Sig. | Exp(β) | |
---|---|---|---|---|---|---|
LRM-1 | ||||||
ΔDAR2 | 2.372 | 0.598 | 15.706 | 1 | <0.001 | 10.717 |
ΔIR | 1.863 | 0.342 | 29.645 | 1 | <0.001 | 6.440 |
Age | −0.109 | 0.030 | 13.072 | 1 | <0.001 | 0.897 |
Constant | −0.196 | 0.766 | 0.065 | 1 | 0.798 | 0.822 |
LRM-2 | ||||||
ΔIR | 3.723 | 1.160 | 10.299 | 1 | 0.001 | 41.385 |
Age | −0.184 | 0.078 | 5.595 | 1 | 0.018 | 0.832 |
ΔARTh | 0.024 | 0.007 | 12.630 | 1 | <0.001 | 1.024 |
ΔBAD-D | 4.798 | 1.166 | 16.938 | 1 | <0.001 | 121.305 |
Constant | −10.785 | 3.309 | 10.623 | 1 | 0.001 | 0.000 |
Notes: LRM-1, Logistic regression model-1; LRM-2, Logistic regression model-2; ΔDAR2, asymmetry of the deformation amplitude ratio at 2 mm; ΔIR, asymmetry of the integrated radius; ΔARTh, asymmetry of the Ambrosio Relational Thickness horizontal; and ΔBAD-D, asymmetry of the Belin/Ambrosio Enhanced Ectasia Deviation value.