Table 2.
GEEs analysis for changes of UDVA, BCVA, spherical error, and cylindrical error after TPTK-ACXL and TG-TPRK-ACXL at 12 months postoperatively
| Parameter | ΔUDVA (logMAR) | ΔBCVA (logMAR) | ΔSpherical error (D) | ΔCylindrical error (D) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β-coefficient | 95% CI | P-value | β-coefficient | 95% CI | P-value | β-coefficient | 95% CI | P-value | β-coefficient | 95% CI | P-value | |
| TPTK | 0.224 | 0.081 to 0.366 | 0.002 | -0.117 | -0.193 to -0.041 | 0.002 | -1.117 | -5.678 to 3.444 | 0.230 | -0.664 | -3.668 to 2.341 | 0.665 |
| TGTPRK | 0b | 0b | 0b | 0b | ||||||||
| < 18y | 0.022 | -0.171 to 0.215 | 0.823 | -0.155 | -0.303 to -0.008 | 0.039 | 0.622 | -2.821 to 4.066 | 0.125 | -3.757 | -5.925 to -1.589 | 0.001 |
| ≥ 18y | 0b | 0b | 0b | 0b | ||||||||
| Male | 0.093 | -0.066 to 0.252 | 0.249 | 0.047 | -0.058 to 0.152 | 0.382 | -0.176 | -2.670 to 2.317 | 0.019 | -0.840 | -3.033 to 1.353 | 0.453 |
| Female | 0b | 0b | 0b | 0b | ||||||||
| UDVA (logMAR) | 0.230 | -0.090 to 0.549 | 0.158 | -0.088 | -0.211 to 0.035 | 0.160 | 1.152 | -1.361 to 3.666 | 0.808 | 0.108 | -3.022 to 3.239 | 0.946 |
| BCVA (logMAR) | -0.289 | -0.696 to 0.119 | 0.165 | 0.183 | 0.007 t0 0.359 | 0.042 | 0.475 | -5.544 to 6.494 | 0.024 | 0.396 | -5.089 to 5.882 | 0.887 |
| Spherical error (D) | -0.012 | -0.046 to 0.022 | 0.490 | 0.002 | -0.014 to 0.019 | 0.788 | 0.129 | -0.409 to 0.668 | 0.222 | 0.028 | -0.295 to 0.351 | 0.865 |
| Cylindrical error (D) | -0.006 | -0.070 to 0.058 | 0.848 | -0.016 | -0.045 to 0.013 | 0.268 | -0.102 | -0.434 to 0.230 | 0.364 | -0.014 | -0.37 to 0.343 | 0.940 |
| CCT (µm) | -0.014 | -0.028 to 0.000 | 0.048 | 0.001 | -0.005 to 0.006 | 0.784 | 0.032 | -0.058 to 0.122 | 0.488 | 0.021 | -0.082 to 0.124 | 0.688 |
| TCT (µm) | 0.015 | -0.001 to 0.031 | 0.066 | 0.000 | -0.006 to 0.006 | 0.891 | 0.048 | -0.037 to 0.133 | 1.213 | 0.065 | -0.048 to 0.178 | 0.256 |
| Kf (D) | -3.289 | -5.115 to -1.463 | 0.000 | -0.357 | -1.136 to 0.422 | 0.369 | -8.745 | -18.997 to 1.508 | 2.795 | 9.462 | 0.353 to 18.572 | 0.042 |
| Ks (D) | 3.336 | 1.463 to 5.209 | 0.000 | 0.419 | -0.374 to 1.212 | 0.301 | 8.879 | -2.965 to 20.722 | 2.159 | -9.765 | -19.182 to -0.348 | 0.042 |
| Kmax (D) | -0.005 | -0.051 to 0.042 | 0.840 | 0.019 | -0.016 to 0.054 | 0.288 | 0.168 | -0.437 to 0.773 | 0.296 | -0.308 | -1.091 to 0.475 | 0.440 |
| IS | 0.022 | -0.046 t 0.090 | 0.532 | 0.009 | 0.001 to 0.018 | 0.031 | -0.141 | -0.912 to 0.629 | 0.129 | -0.674 | -1.53 to 0.181 | 0.122 |
| Corneal astigmatism (D) | -3.213 | -5.045 to -1.381 | 0.001 | -0.369 | -1.154 to 0.415 | 0.356 | -8.954 | -20.131 to 2.222 | 2.466 | 10.037 | 0.768 to 19.307 | 0.034 |
| ISV | -0.021 | -0.036 to -0.005 | 0.011 | -0.016 | -0.026 to − 0.006 | 0.002 | 0.008 | -0.317 to 0.332 | 0.002 | 0.151 | -0.105 to 0.408 | 0.248 |
| IVA | 1.180 | -0.446 to 2.806 | 0.155 | 1.382 | 0.261 to 2.503 | 0.016 | 3.803 | -40.802 to 48.407 | 0.028 | -12.082 | -33.531 to 9.368 | 0.270 |
| IHA | -0.003 | -0.008 to 0.003 | 0.299 | -0.003 | -0.006 to 0.000 | 0.095 | -0.028 | -0.054 to -0.002 | 4.332 | -0.018 | -0.045 to 0.01 | 0.210 |
| IHD | 2.478 | -6.413 to 11.369 | 0.585 | -4.553 | -11.365 to 2.258 | 0.190 | -17.425 | -268.805 to 233.954 | 0.018 | 86.911 | -14.746 to 188.568 | 0.094 |
a The β-coefficient refers to how a dependent variable will change per unit increase in the predictor variable
b Comparison reference group