TABLE 5.

Models of predictors of ventilation use.

Models	Risk score	Odds ratio (95% CI)	P-value	Hosmer and Lemeshow test
				X 2	df	P-value
Model 1	SEIMC_score	0.98 (0.86–1.12)	0.77	4.89	8	0.77
Model 2	IRS-NLR_score	1.62 (1.33–1.99)	<0.001	8.31	8	0.40
Model 3	Inflammatory_score	1.18 (0.88–1.58)	0.28	6.71	8	0.57
Model 4	Shang_severity_score	1.22 (0.90–1.66)	0.20	7.08	8	0.53
Model 5	VICE_score	84.9 (14.6–492.4)	<0.001	6.25	8	0.62

Model 1: age + sex + SpO2 at 24-h admission + C-reactive protein (CRP) + albumin + D-dimer + Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) score.

Model 2: age + sex + SpO2 at 24-h admission + CRP + albumin + D-dimer + IRS-NLR_score.

Model 3: age + sex + SpO2 at 24-h admission + CRP + albumin + D-dimer + inflammatory score.

Model 4: age + gender + SpO2 at 24-h admission + CRP + albumin + D-dimer + Shang_severity_score.

Model 5: age + sex + SpO2 at 24-h admission + CRP + albumin + D-dimer + VICE.