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Figure 7. Comorbidities Among Hospitalized Patients

No comorbidities: 45.7 percent
1 comorbidity: 21.2 percent
2 comorbidities: 15.3 percent
3 comorbidities: 17.8 percent
Note: Comorbidities can make a hospital stay more expensive and complicated. Conditions are designated as comorbidities if they are not directly related to the principal diagnosis and are likely to have originated prior to the hospital stay.
Source: Elixhauser A, Steiner C, Harris DR, Coffey RM. Comorbidity measures for use with administrative data. Medical Care 1998, 36(1):8-27.
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