Table 2.

Multivariate analysis of the factors associated with increased risk for need of hCPAP.

Variables	OR (CI)	p-Value
Age > 78 years	0.38 (0.23–0.64)	<0.001
Male sex	1.14 (0.72–1.81)	0.561
Cronic kidney disease	0.95 (0.49–1.86)	0.874
Active cancer	1.84 (0.91–3.73)	0.088
Severe obesity	1.57 (0.84–2.9)	0.153
Neuropsychiatric disorders	0.43 (0.23–0.78)	0.006
Hemoglobin > 13 g/dL	1.5 (0.91–2.46)	0.113
Neutrophils > 4000 units/L	1.02 (0.71–1.44)	0.933
INR > 1.1	1.06 (0.76–1.47)	0.72
Aspartate aminotransferase U/L	1.72 (1.08–2.74)	0.022
Lactate dehydrogenase (U/L)	1.75 (1.09–2.82)	0.021
C-reactive protein > 5 mg/dL	1.18 (0.71–1.96)	0.527
Procalcitonin > 0.1 ng/mL	1.06 (0.64–1.74)	0.829
Interleukin-6 > 46 pg/mL	2.04 (1.28–3.24)	0.003
Horowitz index < 270	3.11 (1.95–4.95)	<0.001