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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Med Care. 2017 Mar;55(3):276–284. doi: 10.1097/MLR.0000000000000660

Figure 2. Classification and regression tree analysis of hospitalization.

Figure 2

Each “path” in the tree concludes with a terminal node that shows the percentage of persons with that combination of characteristics that had an inpatient stay over a two-year period. For example, there were 460 people with self-rated poor health and history of mild to severe stroke, and 67% of them had an inpatient stay. Abbreviations: POORHLTH = self-rated poor health, IADL_LIM = Instrumental Activities of Daily Living Limitations, HEART_DIS = heart disease.