Table 2.

Risk factors associated with the transfer in intensive care/other medicine units

Variable/outcome	Univariate analysis		Multivariate analysis
	OR (95% CI)	p value	OR (95% CI)	p value
COPD	3.2 (1.1–9.2)	0.03	1.8 (0.6–5.7)	0.3
Severe respiratory symptoms v. moderate/asymptomatic symptoms	18.3 (5.3–62.8)	<0.001	17.1 (4.9–59.3)	<0.001

COPD, chronic obstructive pulmonary disease.