Model description | C-statistic all people | C-statistic excluding hospice people |

Logistic regression: age+gender only | 0.547 | 0.549 |

Naïve Bayes | 0.696 | 0.675 |

Logistic regression: Charlson score | 0.713 | 0.701 |

Logistic regression: Charlson conditions | 0.726 | 0.714 |

Logistic regression: Elixhauser conditions | 0.734 | 0.724 |

Decision tree with adaptive boosting | 0.762 | 0.744 |

Support vector machine | 0.788 | 0.773 |

Neural network | 0.795 | 0.780 |

Logistic regression: stepwise regression | 0.797 | 0.783 |

Logistic regression: LASSO | 0.798 | 0.784 |

Logistic regression: all variables | 0.798 | 0.784 |

LASSO, least absolute shrinkage and selection operator.