Research Article

Relationship among Corneal Biomechanics, Anterior Segment Parameters, and Geometric Corneal Parameters

Table 5

Multivariate linear regression analysis of corneal biomechanical properties and keratometric values of anterior and posterior corneal surfaces.

CHCRF
Age-gender modelMultivariate modelAge-gender modelMultivariate model
Standardized (ß)/
unstandardized (B)
Coefficient (SE)
value/95% CIStandardized (ß)/
unstandardized (B)
Coefficient (SE)
value/95% CIStandardized (ß)/
unstandardized (B)
Coefficient (SE)
valueStandardized (ß)/
unstandardized (B)
Coefficient (SE)
value

Adjusted 0.3290.1960.1570.123
Gender−0.007/−0.024 (0.294)0.934/−0.607–0.558−0.030/−0.107 (0.320)0.739/−0.740–0.526
Age−0.383/−0.035 (0.007)<0.001/−0.049–−0.021−0.219/−0.019 (0.008)0.013/−0.034–−0.004
AFKV0.099/0.130 (0.205)0.527/−0.276–0.5360.021/0.027 (0.223)0.903/−0.414–0.4690.103/0.131 (0.223)0.559/−0.311–0.5720.055/0.071 (0.226)0.753/−0.376–0.518
ASKV −0.243/−0.305 (0.213)0.161/−0.721–0.121−0.302/−0.373 (0.232)0.201/−0.833–0.087−0.399/−0.478 (0.231)0.068/−0.935–0.020−0.435/−0.520 (0.235)0.065/−0.985–−0.055
PFKV0.137/0.220 (0.126)0.082/−0.029–0.4690.154/0.247 (0.137)0.046/−0.025–0.5180.085/0.131 (0.136)0.337/−0.0.139–0.4020.092/0.143 (0.138)0.303/−0.131–0.418
PSKV−0.495/−3.545 (0.859)<0.001/−5.247–−1.843−0.653/−4.16 (0.924)<0.001/−5.934–−2.304−0.560/−3.463 (0.933)<0.001/−5.312–−1.614−0.611/−3.779 (0.935)<0.001/−5.631–−1.926

CH: corneal hysteresis; CRF: corneal resistance factor, SE: standard error, CI: confidence interval, AFKV: anterior flat keratometric value, ASKV: anterior steep keratometric value, PFKV: posterior flat keratometric value, and PSKV: posterior steep keratometric value.