Table 2.

– Univariable and multivariable Cox proportional hazard models on the risk of death.

Characteristics	Univariable, HR (95%CI)	p value	Multivariable*, HR (95%CI)	p value
Gender (Female vs Male)	1.09 (0.69–1.72)	0.70
Age	1.07 (1.05–1.09)	<0.001	3.17 (1.84–5.44)	<0.001
Ethnicity, European vs other	0.93(0.49–1.86)	0.91
Body Mass Index	0.96(0.90–1.02)	0.25
Presence of comorbidity (vs none)	3.91 (2.26–6.84)	<0.001
Hypertension	2.60 (1.67–4.05)	<0.001
Diabetes	1.51 (0.96–2.05)	0.06
Coronary artery disease	3.21 (2.02–5.10)	<0.001	2.93 (1.77–4.86)	<0.001
Chronic kidney failure	2.75 (1.47–4.40)	<0.001
Cancer	2.77 (1.47–5.22)	0.002	2.32 (1.15–4.67)	0.01
Radiographic assessment of lung edema score	1.04 (1.02–1.06)	<0.001	1.05 (1.03–1.07)	<0.001
White blood cell count, x109/L, (median)	1.71 (1.11–2.62)	0.001
Lymphocyte count, x109/L, (median)	2.24 (1.42–3.52)	<0.001	1.83 (1.14–2.95)	0.01
Hemoglobin, g/dl, (median)	0.52 (0.33–0.80)	0.003
Platelets, x109/L, (median)	0.89 (0.59–1.34)	0.59
Glucose, mg/dl, (median)	2.63 (1.62–4.28)	<0.001
ASpartate Transaminase, U/L, (median)	1.28 (0.84–1.95)	0.23
C-Reactive protein, mg/L, (median)	1.53 (1.03–2.35)	0.04
Lactate deydrogenase, U/L, (median)	2.28 (1.32–3.94)	0.003
D-Dimer, microgr/ml, (median)	2.02 (1.03–3.96)	0.03
Lactate, mmol/L, (median)	2.00 (1.27–3.15)	<0.001
Creatin Kinase, U/L, (median)	1.16 (0.72–1.88)	0.52
Serum Ferritin, ng/ml, (median)	0.88 (0.50–1.53)	0.65
Procalcitonine, ng/ml, (median)	2.09 (1.15–3.80)	0.01
N-terminal prohormone of brain natriuretic peptide, pg/mL, (median)	4.82 (2.43–9.54)	<0.001