Table 2.

Factors associated with time to discharge from hospital

	Hazard ratio	95% CI	p value
Age	0.9946	0.9871–1.0023	0.1672
Gender (male)	1.0250	0.8268–1.2707	0.8219
Oxygen saturation	1.0509	1.0089–1.0946	0.0170
Diabetes	1.0870	0.8297–1.4241	0.5448
Hypertension	0.9086	0.7114–1.1605	0.4426
Chest X-ray grade	0.6125	0.5134–0.7307	< 0.001