Table 2.
Age at PK | Postop period | Graft size | ACD | IHT/CCT | IGT/CCT | Ks | AvgK | CYL | Fourier analysis | Kmax | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sph | Reg | Asym | HOI | |||||||||||
KC group | ||||||||||||||
Current age | 0.628 | 0.517 | − 0.249 | 0.005 | − 0.040 | 0.061 | 0.167 | 0.096 | 0.238 | 0.075 | 0.259 | 0.217 | 0.354 | 0.055 |
p | < 0.0001 | 0.001 | 0.121 | 0.975 | 0.809 | 0.710 | 0.304 | 0.556 | 0.138 | 0.646 | 0.106 | 0.178 | 0.025 | 0.735 |
Age at PK | − 0.342 | 0.081 | 0.108 | − 0.113 | 0.026 | 0.214 | 0.147 | 0.251 | 0.132 | 0.291 | 0.227 | 0.402 | 0.157 | |
p | 0.031 | 0.621 | 0.507 | 0.487 | 0.873 | 0.184 | 0.366 | 0.118 | 0.418 | 0.069 | 0.159 | 0.010 | 0.334 | |
Postop period | − 0.389 | − 0.120 | 0.077 | 0.044 | − 0.035 | − 0.046 | 0.012 | − 0.054 | − 0.007 | 0.013 | − 0.015 | − 0.103 | ||
p | 0.013 | 0.462 | 0.637 | 0.785 | 0.833 | 0.779 | 0.942 | 0.739 | 0.968 | 0.938 | 0.927 | 0.526 | ||
Graft size | − 0.265 | 0.503 | 0.564 | − 0.417 | − 0.439 | − 0.124 | − 0.439 | − 0.135 | − 0.339 | − 0.368 | − 0.434 | |||
p | 0.098 | 0.001 | < 0.0001 | 0.007 | 0.005 | 0.447 | 0.005 | 0.406 | 0.032 | 0.019 | 0.005 | |||
ACD | − 0.622 | − 0.438 | 0.543 | 0.603 | 0.073 | 0.608 | 0.120 | 0.368 | 0.359 | 0.668 | ||||
p | < 0.0001 | 0.005 | 0.0003 | < 0.0001 | 0.656 | < 0.0001 | 0.460 | 0.020 | 0.023 | < 0.0001 | ||||
IHT/CCT | 0.754 | − 0.696 | − 0.658 | − 0.383 | − 0.645 | − 0.427 | − 0.576 | − 0.523 | − 0.759 | |||||
p | < 0.0001 | < 0.0001 | < 0.0001 | 0.015 | < 0.0001 | 0.006 | 0.0001 | 0.001 | < 0.0001 | |||||
IGT/CCT | − 0.530 | − 0.534 | − 0.212 | − 0.531 | − 0.222 | − 0.401 | − 0.327 | − 0.556 | ||||||
p | 0.0004 | 0.0004 | 0.189 | 0.0004 | 0.168 | 0.010 | 0.040 | 0.0002 | ||||||
Others group | ||||||||||||||
Current age | 0.815 | 0.069 | 0.044 | − 0.059 | 0.275 | 0.183 | 0.093 | 0.112 | − 0.029 | 0.085 | − 0.101 | 0.200 | − 0.037 | 0.028 |
p | < 0.0001 | 0.674 | 0.786 | 0.718 | 0.086 | 0.259 | 0.570 | 0.490 | 0.861 | 0.604 | 0.535 | 0.216 | 0.819 | 0.862 |
Age at PK | − 0.522 | 0.143 | 0.150 | 0.423 | 0.275 | 0.249 | 0.243 | 0.084 | 0.223 | 0.045 | 0.382 | 0.064 | 0.265 | |
P | 0.001 | 0.377 | 0.354 | 0.006 | 0.086 | 0.121 | 0.130 | 0.605 | 0.167 | 0.784 | 0.015 | 0.695 | 0.099 | |
Postop period | − 0.182 | − 0.346 | − 0.325 | − 0.205 | − 0.293 | − 0.253 | − 0.187 | − 0.259 | − 0.226 | − 0.363 | − 0.165 | − 0.424 | ||
p | 0.261 | 0.029 | 0.041 | 0.205 | 0.067 | 0.115 | 0.248 | 0.106 | 0.162 | 0.021 | 0.308 | 0.006 | ||
Graft size | 0.355 | 0.260 | − 0.007 | 0.037 | 0.012 | 0.078 | 0.028 | 0.128 | − 0.022 | 0.099 | 0.149 | |||
p | 0.025 | 0.106 | 0.965 | 0.820 | 0.941 | 0.632 | 0.863 | 0.430 | 0.895 | 0.543 | 0.359 | |||
ACD | 0.089 | − 0.017 | 0.316 | 0.321 | 0.075 | 0.360 | 0.155 | 0.162 | 0.332 | 0.517 | ||||
p | 0.587 | 0.915 | 0.047 | 0.044 | 0.645 | 0.023 | 0.338 | 0.319 | 0.036 | 0.001 | ||||
IHT/CCT | 0.752 | − 0.078 | − 0.088 | 0.007 | − 0.094 | 0.009 | 0.151 | − 0.047 | − 0.015 | |||||
p | < 0.0001 | 0.633 | 0.587 | 0.965 | 0.564 | 0.958 | 0.351 | 0.775 | 0.929 | |||||
IGT/CCT | − 0.142 | − 0.167 | 0.028 | − 0.175 | 0.021 | 0.234 | − 0.041 | − 0.060 | ||||||
p | 0.381 | 0.302 | 0.864 | 0.279 | 0.896 | 0.146 | 0.800 | 0.711 |
Underline values indicate p < 0.05.
KC keratoconus, PK penetrating keratoplasty, Postop period postoperative period, ACD anterior chamber depth, IHT inferior thinnest host cornea thickness, CCT central corneal thickness, IGT inferior thinnest graft thickness, IHT/CCT IHT ratio to CCT, IGT/CCT IGT ratio to CCT, Ks steepest corneal power, AveK average corneal power, CYL cylinder, Sph spherical, Reg regular astigmatism, Asym asymmetry, HOI higher order irregularity, Kmax maximum corneal power.