Figure 2. Annualized Health Expenditures: Impact, by Degree of Comorbidity.

^aComorbidity combinations: All patients have only 1 cancer diagnosis. Patients with 2 or more conditions have a combination of 1 cancer condition with 1 or more of the following conditions: rheumatoid arthritis, multiple sclerosis, hepatitis C, chronic kidney disease, cerebrovascular accident, coronary artery disease, chronic obstructive pulmonary disease, diabetes, or asthma. (This excludes multicancer patients, n = 1726.)

Source: HealthCore, 2002–2005 claims data set.