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

Table 3

Multivariate logistic regression for variables associated with high cost among all patients.

Characteristics	OR	95% confidence intervals	value
Age
18–45	Reference
46–69	0.75	0.61–0.92	0.006
70–79	0.66	0.52–0.84	0.001
80+	0.37	0.28–0.50	<0.001
Sex
Male	1.23	0.00–1.42	0.016
Discharge disposition
Home	Reference
Transfer acute care	2.49	2.02–3.08	<0.001
Transfer continuing care	1.59	0.70–3.61	0.263
In-hospital mortality	0.65	0.52–0.81	<0.001
Elixhauser comorbidity score
Elixhauser comorbidity score (total)	1.02	1.00–1.03	0.006
Most responsible diagnosis
Sepsis	1.55	1.26–1.91	<0.001
Malignancy	1.56	1.23–1.98	<0.001
Subarachnoid hemorrhage	2.18	1.47–3.24	<0.001
Other nontraumatic ICH	0.95	0.55–1.64	0.856
Ischemic stroke	0.53	0.29–0.99	0.046
Heart failure	0.39	0.16–0.96	0.040
AAA and dissection	0.60	0.41–0.87	0.007
Pneumonia	0.98	0.59–1.64	0.940
COPD	0.85	0.54–1.35	0.498
Acute respiratory failure	2.44	1.88–3.18	<0.001
Vascular disorders of the intestine	0.82	0.41–1.63	0.567
Liver	0.62	0.32–1.20	0.158
Renal failure	0.49	0.22–1.14	0.097
Traumatic intracranial injury	1.03	0.73–1.46	0.863
Other traumas	1.34	0.99–1.82	0.029
Overdoses	0.08	0.02–0.34	<0.001
Complications of procedures	1.80	1.33–2.44	<0.001

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