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.