Table 3. Independent mortality predictors identified using multivariate analysis of geriatric patients with fever in the Emergency Department.

	Parameters			Geriatric Fever
Variable	β	Bootstrapped OR	Bootstrapped 95% CI	Score Points
Intercept	−4.967
Leukocytosis (WBC >12,000 cells/mm3)	1.488	4.4	1.5–13.0	1
Severe coma (GCS ≤ 8)	2.330	10.3	1.9–54.7	1
Thrombocytopenia (Platelets <150×103/mm3)	1.305	3.7	1.2–11.0	1
AUC				0.73
Possible scores in a range				0–3

OR, odds ratio; CI, confidence interval; GCS, Glasgow coma scale; AUC, area under the curve.