Table 4.

Multivariable logistic regression models.

Variable	AORa	95% CI	P-value
a: For deterioration in patients with infection
Lactate > 4	4.84	1.66–14.13	0.004
Systolic blood pressure < 90 mmHg	2.48	1.32–4.66	0.005
Triage acuityb	0.44	0.28–0.68	<0.001
Blood urea nitrogen	1.05	1.03–1.08	<0.001
b: For mortality in patients with infection
Lactate > 4	4.41	1.7–11.45	0.002
History of stroke	4.52	1.42–14.33	0.01
Blood urea nitrogen	1.02	1.00–1.04	0.03
Triage acuityb	0.26	0.12–0.59	0.001
c: For deterioration in patients without infection
Lactate > 4	3.6	1.25–10.32	0.02
Triage acuityb	0.49	0.29–0.82	0.007
History of stroke	0.11	0.01–1.11	0.06
Blood urea nitrogen	1.02	1.01–1.03	0.002
Altered mental status	5.9	1.89–18.4	0.002
d: For mortality in patients without infection
Lactate > 4	1.19	0.27–5.21	0.81
Age	1.04	1.01–1.07	0.01
Active cancer	3.09	1.43–15.02	0.01
Altered mental status	4.63	1.43–8.13	0.02

^aAdjusted odds ratio;

^bTriage acuity determined by emergency department nurse