Table 1.

Data From Hayden et al Results Applied to Model

Value (Symbol)	Data	(95% CI)
Admission CPE positivity fraction ($a$)
Preintervention	0.206	(.191–.223)
Postintervention	0.206	(.191–.223)
Cross-sectional facility CPE positivity fraction ($f$)
Preintervention	0.458	(.421–.495)
Postintervention	0.343	(.324–.362)
CPE clinical detection rate per 1000 patient days ($d$)
Preintervention	3.7	(3.4–4.0)
Postintervention	2.5	(2.2–2.8)
CPE bacteremia onset rate per 1000 patient-days ($b$)
Preintervention	0.9	(.8–1.1)
Postintervention	0.4	(.3–.5)
Inpatient death rate per admission ($p_d$)
Preintervention	0.215	…
Postintervention	0.176	…
Days of stay: mean; 25th, 50th, 75th percentiles ($\mu$, $l_{25}$, $l_{50}$, $l_{75}$)
Preintervention	33.8; 16, 28, 43	…
Postintervention	30.5; 16, 26, 39	…
Admission surveillance test probability ($s_{\mathrm{a}}$)
Preintervention	0	…
Postintervention	0.911	(.901–.921)
Every other week surveillance test probability ($s_{\mathrm{b}}$)
Preintervention	0	…
Postintervention	0.954	(.948–.960)

Abbreviations: CI, confidence interval; CPE, carbapenemase-producing Enterobacteriaceae.