Table 4.

Logistic regression model for the risk of mechanical ventilation.

	OR (95% CI)		p	AUC
Model 1				0.775
Age-independent CCI	1.18	(1.08–1.29)	0.000
Sex (male)	1.17	(0.9–1.53)	0.246
Age	1.02	(1.01–1.03)	0.000
Model 2				0.749
Age-independent CCI	1.20	(1.1–1.32)	0.000
Oxygen saturation	1.01	(0.98–1.05)	0.467
Temperature	1.49	(1.22–1.83)	0.000
Sex (male)	1.16	(0.88–1.51)	0.291
Age	1.02	(1.01–1.03)	0.000
Model 3				0.807
Cluster (Cluster B)	2.22	(1.64–3.01)	0.000
Cluster (Cluster C)	1.71	(1.08–2.76)	0.024
Age-independent CCI	1.21	(1.1–1.33)	0.000
Oxygen saturation	1.02	(0.99–1.06)	0.205
Temperature	1.28	(1.04–1.59)	0.021
Sex (male)	1.00	(0.75–1.32)	0.980
Age	1.02	(1.01–1.03)	0.000

AUC: area under the curve; CCI: Charlson comorbidity index.