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Table 3 Multivariate analysis of the factors associated with secondary sepsis in critically ill patients with blood stream infection.

From: Impact of previous sepsis on the accuracy of procalcitonin for the early diagnosis of blood stream infection in critically ill patients

  Odd ratio Variable type 95% CI p
Time elapsed from ICU admission 1.38 continuous 1.23 1.54 < 0.001
Log10PCT 0.33 continuous 0.16 0.70 0.004
Candidemia (Yes) 7.02 dichotomous 1.48 33.2 0.014
Previous exposure to antibiotic therapy with in vitro activity against the involved pathogen (Yes) 4.28 dichotomous 1.31 13.95 0.016
  1. ICU: Intensive Care Unit; PCT: Procalcitonin; CI: Confidence Interval.