In Vivo Corneal Biomechanical Properties with Corneal Visualization Scheimpflug Technology in Chinese Population
Table 3
Linear regression analyses on velocity in, velocity out, deformation amplitude, peak distance, and highest concavity radius.
Parameter
Velocity in (m/s)
Velocity out (m/s)
Deformation amplitude (mm)
Peak distance (mm)
Highest concavity radius (mm)
Univariate model
Multivariate model
Univariate model
Multivariate model
Univariate model
Multivariate model
Univariate model
Multivariate model
Univariate model
Multivariate model
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
value
Age
−0.016
0.662
—
—
0.005
0.881
—
—
−0.426
0.67
—
—
−0.029
0.421
—
—
−0.021
0.561
—
—
Gender, female
0.032
0.37
—
—
−0.003
0.935
—
—
−0.041
0.257
—
—
−0.016
0.657
—
—
−0.048
0.177
—
—
Intraocular pressure
−0.332
<0.001
−0.318
<0.001
0.536
<0.001
0.46
<0.001
−0.521
<0.001
−0.503
<0.001
−0.578
<0.001
−0.504
<0.001
0.378
<0.001
0.298
<0.001
Central corneal thickness
−0.268
<0.001
−0.148
<0.001
0.353
<0.001
0.197
<0.001
−0.276
<0.001
−0.115
<0.001
−0.244
<0.001
−0.088
0.002
0.344
<0.001
0.248
<0.001
Mean keratometry
0.237
<0.001
0.267
<0.001
0.011
0.754
—
—
0.035
0.328
0.08
0.009
−0.0313
<0.001
−0.239
<0.001
−0.02
0.578
—
—
Corneal volume
−0.107
0.003
—
—
0.253
<0.001
—
—
−0.25
<0.001
—
—
−0.289
<0.001
—
—
0.219
<0.001
—
—
Anterior chamber depth
−0.018
0.623
—
—
−0.196
<0.001
−0.141
<0.001
−0.049
0.17
−0.095
0.002
0.245
<0.001
0.167
<0.001
−0.096
0.007
—
—
Anterior chamber volume
−0.039
0.275
—
—
−0.225
<0.001
—
—
−0.04
0.265
—
—
0.297
<0.001
—
—
−0.13
<0.001
—
—
Adjusted for age, gender, intraocular pressure, central corneal thickness, mean keratometry, and anterior chamber depth; adjusted for velocity in, 0.341 for velocity out, 0.298 for deformation amplitude, 0.425 for peak distance, and 0.196 for highest concavity radius.