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

probabilitylackimmunity

probability a colonized patient will not mount an immune response

0.1

p_{rrmin}

minimum probability of regaining resistance

0.2

probabilityantibiotic

halfdaily probability of a patient beginning an antibiotic treatment

0.27

problowrisk

probability of a prescribed antibiotic being lowrisk with respect to CDI

0.4

probhighrisk

probability of a prescribed antibiotic being highrisk with respect to CDI

0.26

probvhighrisk

probability of a prescribed antibiotic being very highrisk with respect to CDI

0.34

\(p_{l}^{h}\)

probability of becoming colonized if treated with lowrisk antibiotic in a highly contaminated room

1/30

probsuffclean

probability of effective room cleaning

0.5

sensitivity

sensitivity of the CDI screening test

0.91

turnaround

turnaround time (halfdays) of the CDI screening test

2

probsucctreat

probability of successful treatment of CDI

0.8

HCWcomplianceCDIpatients

probability of an HCW following proper contact precautions when visiting a quarantined patient with CDI

0.6

HCWbasiccompliance

probability of an HCW complying with contact precautions after visiting a nonquarantined patient

0.45

cleanreduction

proportion by which the contamination level of a room is reduced after effective cleaning

0.5

HCWtransferpercent

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

0.9

roomtransferpercent

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

0.1

contamlevellow

maximum contamination level of a lowcontamination room

0.4

contamlevelmed

maximum contamination level of a mediumcontamination room

0.8
