Table 4.
The relationship of corneal biomechanical properties, age, CCT, and CV with keratometric values of anterior and posterior corneal surface.
Age | CH | CRF | CCT | CV | ||
---|---|---|---|---|---|---|
Horizontal radius of CC | r | −0.247 | −0.181 | −0.101 | 0.096 | −0.189 |
p | 0.012 | 0.085 | 0.362 | 0.351 | 0.065 | |
Vertical radius of CC | r | −0.165 | −0.217 | −0.072 | 0.052 | −0.196 |
p | 0.123 | 0.033 | 0.454 | 0.589 | 0.057 | |
Average radius of CC | r | −0.211 | −0.201 | −0.093 | 0.077 | −0.199 |
p | 0.034 | 0.043 | 0.387 | 0.445 | 0.047 | |
Anterior flat K value | r | 0.213 | 0.206 | 0.108 | −0.069 | 0.222 |
p | 0.032 | 0.046 | 0.311 | 0.532 | 0.027 | |
Anterior steep K value | r | 0.198 | 0.197 | 0.074 | −0.076 | 0.175 |
p | 0.055 | 0.059 | 0.503 | 0.455 | 0.095 | |
Average anterior K value | r | 0.209 | 0.206 | 0.095 | −0.073 | 0.204 |
p | 0.032 | 0.044 | 0.375 | 0.472 | 0.043 | |
Posterior flat K value | r | −0.125 | 0.182 | 0.128 | 0.157 | 0.078 |
p | 0.240 | 0.091 | 0.208 | 0.119 | 0.443 | |
Posterior steep K value | r | −0.103 | −0.362 | −0.254 | −0.143 | −0.478 |
p | 0.287 | <0.001 | 0.013 | 0.152 | <0.001 | |
Average posterior K value | r | −0.143 | 0.085 | 0.065 | 0.123 | −0.034 |
p | 0.175 | 0.419 | 0.528 | 0.254 | 0.737 | |
Average flat K value | r | 0.160 | 0.184 | 0.069 | −0.095 | 0.183 |
p | 0.103 | 0.085 | 0.497 | 0.342 | 0.069 | |
Average steep K value | r | 0.243 | 0.156 | 0.047 | −0.151 | 0.080 |
p | 0.019 | 0.125 | 0.642 | 0.138 | 0.489 | |
Average K value | r | 0.212 | 0.175 | 0.060 | −0.127 | 0.129 |
p | 0.034 | 0.088 | 0.560 | 0.207 | 0.201 | |
Corneal astigmatism | r | 0.192 | −0.048 | −0.092 | −0.165 | −0.203 |
p | 0.061 | 0.702 | 0.419 | 0.108 | 0.041 |
K: keratometric; CC: corneal curvature.