Table 4. Correlation coefficients (with significance levels) between CST parameters and ORA parameters.
0043 | CRF | |||
---|---|---|---|---|
coefficient | p value | coefficient | p value | |
A1 time (ms) | 0.38** | <0.001 | 0.72** | <0.001 |
A1 length (mm) | 0.28** | 0.005 | 0.33** | 0.001 |
A1 velocity (m/s) | -0.19 | 0.062 | -0.39** | <0.001 |
A1 deformation amplitude (mm) | -0.16 | 0.130 | -0.55** | <0.001 |
A2 time (ms) | 0.083 | 0.430 | -0.38** | <0.001 |
A2 length (mm) | 0.48** | < 0.001 | 0.54** | < 0.001 |
A2 velocity (m/s) | 0.35** | < 0.001 | 0.53** | <0.001 |
A2 deformation amplitude (mm) | 0.24* | 0.019 | 0.20 | 0.053 |
Peak distance (mm) | -0.2* | 0.047 | -0.29* | 0.043 |
Highest concavity time (ms) | 0.26* | 0.011 | 0.032 | 0.760 |
Highest concavity deformation amplitude (mm) | -0.16 | 0.130 | -0.55** | <0.001 |
radius (mm) | 0.35** | < 0.001 | 0.43** | <0.001 |
** denotes significant at the p <0.01 level and
* represents significant at the p <0.05 level.
CST: Corvis ST tonometry, ORA: ocular response analyzer, IOP: intraocular pressure, sd: standard deviation, CCT: central corneal thickness, CH: corneal hysteresis, CRF: corneal resistant factor