Table 3.

Factors predictive of the appropriateness of first-line empirical antibiotic therapy in patients with bacterial sepsis

	Odds ratio	Variable type	95% confidence interval	P value
Gram staining (positive)	2.61	Dichotomous	1.13 to 6.03	0.02
ΔPCT D2–D3	10.29	Continuous	1.66 to 63.9	0.01

Multivariate analysis of factors predictive of the appropriateness of the first-line empirical antibiotic therapy in 147 patients with bacterial sepsis. PCT, procalcitonin; D1, day sepsis is diagnosed; ΔPCT D2–D3, procalcitonin decrease between day 3 and day 2 after the onset of sepsis.