Table 3.
Correlation of corneal biomechanical parameters with general ocular measurement parameters
|
|
SE (D)
|
IOP (mmHg)
|
AL (mm)
|
CCT (μm)
|
Km
|
|||||
|
ρ
|
P
value
|
ρ
|
P
value
|
ρ
|
P
value
|
ρ
|
P
value
|
ρ
|
P
value
|
|
| A1V | -0.042 | 0.3917 | 0.053 | 0.2797 | -0.003 | 0.9512 | -0.583 | < 0.0001 | 0.103 | 0.0353 |
| A1L | 0.033 | 0.5010 | -0.061 | 0.2133 | -0.077 | 0.1160 | 0.483 | < 0.0001 | -0.089 | 0.692 |
| A1T | 0.024 | 0.6246 | -0.091 | 0.0631 | -0.082 | 0.0941 | 0.562 | < 0.0001 | 0.008 | 0.8705 |
| A1DA | 0.038 | 0.4384 | -0.073 | 0.1362 | 0.053 | 0.2797 | 0.358 | 0.2367 | 0.048 | 0.3276 |
| A2V | 0.235 | < 0.0001 | -0.114 | 0.0197 | 0.302 | < 0.0001 | 0.542 | < 0.0001 | 0.043 | 0.3805 |
| A2L | 0.124 | 0.0112 | -0.139 | 0.0044 | -0.094 | 0.0548 | 0.382 | < 0.0001 | -0.117 | 0.0167 |
| A2T | 0.093 | 0.0575 | -0.088 | 0.0723 | -0.110 | 0.0245 | 0.421 | < 0.0001 | 0.021 | 0.6686 |
| A2DA | 0.041 | 0.4031 | -0.038 | 0.4383 | 0.074 | 0.1309 | 0.345 | < 0.0001 | 0.033 | 0.5010 |
| HCT | 0.004 | 0.9350 | -0.008 | 0.8705 | -0.109 | 0.0258 | 0.049 | 0.3176 | 0.063 | 0.1986 |
| HCR | 0.009 | 0.8705 | -0.039 | 0.4265 | -0.049 | 0.3176 | 0.482 | < 0.0001 | -0.285 | < 0.0001 |
| PD | -0.130 | 0.0078 | 0.117 | 0.0167 | 0.545 | < 0.0001 | 0.381 | < 0.0001 | -0.394 | < 0.0001 |
| DA | -0.119 | 0.0149 | 0.193 | 0.0001 | 0.038 | 0.4384 | 0.295 | < 0.0001 | 0.234 | < 0.0001 |
| IR | -0.204 | < 0.0001 | 0.244 | < 0.0001 | 0.025 | 0.6103 | 0.421 | < 0.0001 | 0.283 | < 0.0001 |
| ARTh | 0.062 | 0.2059 | -0.072 | 0.1417 | 0.017 | 0.7289 | 0.274 | < 0.0001 | -0.085 | 0.0826 |
| SP-A1 | 0.032 | 0.5141 | -0.024 | 0.6246 | -0.059 | 0.2287 | 0.362 | < 0.0001 | 0.008 | 0.8705 |
| CBI | 0.039 | 0.4265 | -0.019 | 0.6985 | -0.06 | 0.2209 | 0.385 | < 0.0001 | 0.087 | 0.0756 |
| TBI | 0.027 | 0.5820 | -0.020 | 0.6835 | -0.016 | 0.7443 | 0.0235 | < 0.0001 | 0.064 | 0.1916 |
SE: Spherical equivalent; IOP: Intraocular pressure; AL: Axial length; CCT: Central corneal thickness; A1V: First velocity of applanation; A1L: First applanation length; A1T: First applanation time; A1DA: First applanation deformation amplitude; A2V: Second velocity of applanation; A2L: Second applanation length; A2T: Second applanation time; A2D: Second applanation deformation; HCT: Time from the start until the highest concavity; HCR: Central curvature radius at highest concavity; PD: Peak distance; DA: Deformation amplitude; IR: Integrated radius; ARTh: ambrosia relational thickness-horizontal; SP-A1: First applanation stiffness parameter; CBI: Corvis biomechanical index; TBI: Topographic and biomechanics index.