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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Infect Control Hosp Epidemiol. 2010 Mar;31(3):262–268. doi: 10.1086/650447

Figure 4.

Figure 4

Figure 4

Figure 4

Figure 4

Figure 4

Annual rates of hospital-onset Clostridium difficile infection by surveillance definition, stratified by hospital. Asterisks indicate significantly higher annual CDI rates by ICD-9 codes compared to toxin assays (p < 0.001). CDI, Clostridium difficile infection.

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