STD error | Confidence interval 95% CI for exp (b) | |||||
---|---|---|---|---|---|---|

Variable | Coefficient b | SE (b) | p Value | Odds ratio exp (b) | Lower | Upper |

Final statistical model derived by backwards stepwise logistic regression. | ||||||

Variables entered initially: age, sex, diagnosis, lens status, type of procedure, preoperative visual acuity, astigmatism, rejection, other complications, other pathology, and clinic. | ||||||

OR>1, VA more likely to be ≤0.2; OR<1, VA less likely to be ≤0.2. | ||||||

Age | −0.04 | 0.019 | 0.053 | 0.96 | 0.93 | 1.00 |

Diagnosis | ||||||

Keratoconus | 1.00 | |||||

Fuchs' dystrophy | 3.39 | 1.40 | 0.02 | 29.56 | 1.89 | 461.45 |

Bullous keratatopathy | 3.23 | 1.36 | 0.02 | 25.30 | 1.76 | 363.32 |

Other | 3.19 | 1.24 | 0.01 | 24.21 | 2.13 | 274.68 |

Preoperative visual acuity | −1.41 | 0.43 | 0.001 | 0.25 | 0.11 | 0.57 |

Other complications | ||||||

No | 1.00 | |||||

Yes | 2.08 | 0.79 | 0.01 | 7.97 | 1.69 | 37.57 |

Other pathology | ||||||

No | 1.00 | |||||

Yes | 4.10 | 0.69 | <0.001 | 60.84 | 15.80 | 234.25 |

Not known | 1.92 | 0.83 | 0.02 | 6.81 | 1.35 | 34.33 |

Clinic | ||||||

A | 1.00 | |||||

B | −0.37 | 0.79 | 0.64 | 0.69 | 0.15 | 3.24 |

C | −0.84 | 1.88 | 0.66 | 0.43 | 0.01 | 17.28 |

D | −1.56 | 0.65 | 0.02 | 0.21 | 0.06 | 0.75 |

E | −2.43 | 0.67 | <0.001 | 0.09 | 0.02 | 0.33 |

Constant | −2.06 | 1.44 |