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Table 3 Multivariate analysis of the predictive factors for gram negative bacteremia in critically ill patients with clinical sepsis and positive blood cultures.

From: Serum procalcitonin elevation in critically ill patients at the onset of bacteremia caused by either gram negative or gram positive bacteria

  Odds ratio Variable type 95% CI p
Soft tissue source of infection (yes) 9.10 dichotomous 1.09 100.0 0.042
Log10PCT 4.17 continuous 2.08- 8.33 <0.001
  1. PCT: Procalcitonin; CI: Confidence Interval.