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Table 3 Independent predictors of receipt of anti-CDI antimicrobial therapy after a negative CDI diagnostic result

From: Clinical and economic impact of the introduction of a nucleic acid amplification assay for Clostridium difficile

Predictor Univariate model (n = 281) Multivariate model (n = 281)
OR (95% CI) P value aOR (95% CI) P value
EIA-based CDI assay 3.73 (1.63–8.56) 0.002 4.71 (1.93–11.46) 0.001
Number of tests 1.58 (1.23–2.04) < 0.001   
Severe CDI criteria met 4.44 (1.99–9.93) < 0.001 4.41 (1.91–10.19) 0.001
ID consult 0.30 (0.13–0.67) 0.003 0.31 (0.13–0.73) 0.007
Charlson comorbidity index 1.08 (0.94–1.24) 0.260   
  1. OR odds ratio, aOR adjusted odds ratio