Characteristics, Outcomes, and Cost Patterns of High-Cost Patients in the Intensive Care Unit

Table 4

Multivariate logistic regression for variables associated with high cost among decedents.

Characteristics	OR	95% confidence intervals	value
Age
18–45	Reference
46–69	0.63	0.38–1.02	0.061
70–79	0.63	0.37–1.05	0.075
80+	0.24	0.13–0.44	<0.001
Sex
Male	1.39	1.03–1.87	0.032
Elixhauser comorbidity score
Elixhauser comorbidity score (total)	1.00	0.98–1.02	0.867
Most responsible diagnosis
Sepsis	1.21	0.80–1.80	0.365
Malignancy	1.68	1.05–2.67	0.030
Subarachnoid hemorrhage	0.35	0.08–1.48	0.152
Other nontraumatic ICH	—
Ischemic stroke	—
Heart failure	—
AAA and dissection	2.20	0.87–5.53	0.095
Pneumonia	0.90	0.35–2.33	0.828
COPD	1.00	0.41–2.40	0.995
Acute respiratory failure	2.25	1.37–3.68	0.001
Vascular disorders of the intestine	0.44	0.10–1.85	0.260
Liver	0.51	0.15–1.70	0.273
Renal failure	0.62	0.08–4.75	0.643
Traumatic intracranial injury	0.25	0.08–0.82	0.022
Overdoses	—
Complications of procedures	2.85	1.52–5.33	0.001

Most responsible diagnosis groups are compared to a reference group made up of all other diagnoses.