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. Author manuscript; available in PMC: 2018 Apr 28.
Published in final edited form as: Infect Control Hosp Epidemiol. 2017 Nov 6;38(12):1478–1486. doi: 10.1017/ice.2017.214

Figure 4. Multistate model of expected remaining length of stay for Clostridium difficile infection case definitions involving toxin assays.

Figure 4

A, three states of the multistate model and allowed transitions. Patients may only transition in the direction of the arrows. B–D, expected remaining LOS for each post-admit time t depending on whether the patient has had a positive (+) toxin assay by that timepoint, for each of the case definitions involving toxin assays. Shaded areas depict 95% confidence intervals calculated from 1,000 bootstrap samples. CDI, Clostridium difficile infection; EIA, enzyme immunoassay; PCR, polymerase chain reaction; LOS, length of stay.