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# Table 1 Global variable explanations and baseline values

Global variable | Description | Baseline value |
---|---|---|

occupancy | hospital occupancy level | 0.85 |

a_{r}
| probability a patient is resistant upon admission | 0.75 |

a_{s}
| probability a patient is susceptible upon admission | 0.09 |

a_{c}
| probability a patient is colonized upon admission | 0.15 |

a_{d}
| probability a patient is diseased upon admission | 0.01 |

probability-lack-immunity | probability a colonized patient will not mount an immune response | 0.1 |

p_{rrmin}
| minimum probability of regaining resistance | 0.2 |

probability-antibiotic | half-daily probability of a patient beginning an antibiotic treatment | 0.27 |

prob-low-risk | probability of a prescribed antibiotic being low-risk with respect to CDI | 0.4 |

prob-high-risk | probability of a prescribed antibiotic being high-risk with respect to CDI | 0.26 |

prob-vhigh-risk | probability of a prescribed antibiotic being very high-risk with respect to CDI | 0.34 |

\(p_{l}^{h}\) | probability of becoming colonized if treated with low-risk antibiotic in a highly contaminated room | 1/30 |

prob-suff-clean | probability of effective room cleaning | 0.5 |

sensitivity | sensitivity of the CDI screening test | 0.91 |

turnaround | turnaround time (half-days) of the CDI screening test | 2 |

prob-succ-treat | probability of successful treatment of CDI | 0.8 |

HCW-compliance-CDI-patients | probability of an HCW following proper contact precautions when visiting a quarantined patient with CDI | 0.6 |

HCW-basic-compliance | probability of an HCW complying with contact precautions after visiting a non-quarantined patient | 0.45 |

clean-reduction | proportion by which the contamination level of a room is reduced after effective cleaning | 0.5 |

HCW-transfer-percent | proportion of an HCW’s carrier level that is transferred to a room upon successful transfer | 0.9 |

room-transfer-percent | proportion of a room’s contamination level that is transferred to an HCW upon successful transfer | 0.1 |

contam-level-low | maximum contamination level of a low-contamination room | 0.4 |

contam-level-med | maximum contamination level of a medium-contamination room | 0.8 |