Table 1.

Multivariate Cox regression analysis of the risk factors for mortality among critically ill patients

	From symptom onset to endpoint
Factor	Hazard ratio (95% Cl)	P value
Age	0.99 (0.97–1.03)	0.99
Gender	1.36 (0.73–2.54)	0.32
Stage 3 hypertension	1.26 (1.02–1.56)	0.02
Diabetes	1.02 (0.56–1.89)	0.93
Coronary heart disease	1.91 (0.97–3.78)	0.06
COPD	1.82 (0.61–5.46)	0.28
ARDS	1.55 (0.89–2.73)	0.12
Cardiac injury	1.37 (0.73–2.56)	0.31