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Table 3 Stepwise multivariate regression model results

From: Corneal biomechanical properties in myopic eyes evaluated via Scheimpflug imaging

Parameters Age (years) SE (D) Kf (D) Ks(D) CCT (μm) CV (mm3) ACD (mm) AL (mm) IOP (mmHg)
β P β P β P β P β P β P β P β P β P
A1-time (m/s)        −0.020 0.025   0.989 < 0.001
A1-length (mm)      0.221 < 0.001     
A1-velocity (m/s) 0.133 0.022   0.222 < 0.001      −0.156 0.004 −0.373 < 0.001
A2-time (m/s) 0.111 0.005 0.129 0.001     0.169 < 0.001    −0.789 < 0.001
A2-length (mm)     −0.136 0.017 0.289 < 0.001    −0.248 < 0.001 0.177 0.004
A2-velocity (m/s)   0.408 < 0.001      −0.119 0.008   0.597 < 0.001
HC-time (m/s)   0.289 < 0.001 0.143 0.016     −0.234 < 0.001   
HC radius (mm)      0.207 0.001     0.355 < 0.001
DA (mm) 0.155 < 0.001 −0.119 0.039   0.084 0.026     0.151 0.008 −0.785 < 0.001
  1. SE spherical equivalent, Ks steepest keratometry, Kf flattest keratometry, CCT central corneal thickness, CV corneal volume, ACD anterior chamber depth, AL Axial length, IOP intraocular pressure; A1-time and A2-time: time from start until the first and second applanation; A1-length and A2-length: length of flattened cornea at the first and second applanation; A1-velocity and A2-velocity: corneal velocity during the first and second applanation moment; HC-time: time from start until highest concavity is arrived; HC radius: central curvature at highest concavity; DA: maximum deformation amplitude at highest concavity