Table 4. Results from multiple-variate analysis for in-hospital death.

Multiple logistic regression	Odds ratio	95%CI	p value
Age: >70 (men), >75 (women)	3.50	1.66–7.37	0.001
Dehydration	3.98	2.08–7.62	<0.001
Respiratory failure	5.97	3.05–11.68	<0.001
Orientation disturbance	3.36	1.60–7.08	0.001
blood Pressure	1.22	0.34–4.44	0.758
Multiple-variate Cox model	Hazard ratio
Age: >70 (men), >75 (women)	2.22	1.22–4.02	0.009
Dehydration	3.77	2.29–6.20	<0.001
Respiratory failure	3.82	2.32–6.29	<0.001
Orientation disturbance	2.65	1.62–4.34	<0.001
blood Pressure	0.82	0.39–1.71	0.593