Table 3.

Prediction of sepsis diagnosis on admission: univariate regression analyse* (n = 74 patients)

	Odds Ratio (OR) (lower to upper 95% CI)	P-value
Cortisol baseline ≥ 450 nM/L	5.120 (1.623 to 16.156)	0.004
Apache II score ≥ 14	4.895 (1.652 to 14.503)	0.003
Shock	5.454 (1.841 to 16.159)	0.001
Sepsis score >7	6.48 (2.34 to 17.952)	0.0002
ACTH ≤ 233 nM/L	7.041 (2.446 to 20.271)	0.0001
Procalcitonin (PCT) >2 ng/ml	16.889 (3.523 to 80.959)	0.0001
At least two out of: cortisol, ACTH, sepsis score †	19.200 (5.741 to 64.210)	< 0.0001
At least two out of: cortisol, ACTH, PCT †	31.071 (8.215 to 117.516)	< 0.0001

ACTH, adreno corticotropic hormone; CI, confidence interval; OR, odds ratio; PCT, procalcitonin.

*: only significant factors are expressed (P < 0.05).

†: according to individual cut-offs values.