Table 1.

Elixhauser comorbidity variables

Comorbidity variables
Paralysis
Other neurological disordersl
Chronic pulmonary disease
Diabetes without chronic complications
Diabetes with chronic complications
Hypothyroidism
Renal failure
Liver disease
Chronic peptic ulcer disease
Human Immunodeficiency Virus or Acquired Immunodeficiency Syndrome
Lymphoma
Metastatic cancer
Solid tumor without metastasis
Rheumatoid arthritis/collagen vascular diseases
Coagulation deficiency
Obesity
Weight loss
Fluid and electrolyte disorders
Blood loss anemia
Deficiency anemias
Alcohol abuse
Drug abuse
Psychosis
Depression
Congestive heart failure
Valvular disease
Pulmonary circulation disorder
Peripheral vascular disorder
Hypertension