Table 4.

Logistic regression to predict OR of mortality based on mechanical ventilation, biomolecular and hemogram markers

Variables	Univariate				Multivariate
	OR	CI-OR 95%		p-value	OR	CI-OR 95%		p-value
		Ll	Hl			Ll	Hl
Significant variables
Ferritin 24 h ≥ 1225 ng/dl	2,46a	1,36	44,46	0,003*	3,31a	1,40	7,79	0,006*
IL-6 24 h ≥ 11 pg/ml	13,93a	3,23	60,06	< 0,001*	9,65a	1,94	47,13	0,006*
PaFiO2 72 h ≤ 164 mmHg	5,09a	2,69	9,62	< 0,001*	4,12a	1,74	9,76	0,001*
NLR 24 h ≥ 22	4,90a	2,57	9,36	< 0,001*	7,29a	3,04	17,49	< 0,001*
SOFA 72 h ≥ 6	2,96a	1,58	5,53	0,001*	2,29	0,97	5,41	0,059

IL Interleukin, PaFiO2 ratio of arterial oxygen partial pressure (PaO2 in mmHg) to fractional inspired oxygen, NLR Neutrophil-to-lymphocyte ratio, SOFA Sequential Organ Failure Assessment Score; * significant variables p-value < 0,05, ^aOR significant odds ratio, CI Confidence interval, Ll Lower limit, Hl Higher limit; based on logistic regression