Journal
EMERGING INFECTIOUS DISEASES
Volume 12, Issue 10, Pages 1576-1579Publisher
CENTERS DISEASE CONTROL & PREVENTION
DOI: 10.3201/eid1210.060016
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- PHS HHS [1U01C1000333-01] Funding Source: Medline
- ODCDC CDC HHS [UR8/CCU715087-06/1] Funding Source: Medline
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We conducted a retrospective cohort study to compare Clostridium difficile-associated disease rates determined by C. difficile-toxin assays and International Classification of Diseases, 9th Revision (ICD-9) codes. The correlation between toxin assay results and ICD-9 codes was good (kappa=0.72, p < 0.01). The sensitivity of the ICD-9 codes was 78% and the specificity was 99.7%.
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