Multiple Chronic Conditions and Life Expectancy: A Life Table Analysis

Medical Care:  8/1/14


The number of people living with multiple chronic conditions is increasing, but we know little about the impact of multimorbidity on life expectancy.


We analyze life expectancy in Medicare beneficiaries by number of chronic conditions.

Research Design:

A retrospective cohort study using single-decrement period life tables.


Medicare fee-for-service beneficiaries (N=1,372,272) aged 67 and older as of January 1, 2008.


Our primary outcome measure is life expectancy. We categorize study subjects by sex, race, selected chronic conditions (heart disease, cancer, chronic obstructive pulmonary disease, stroke, and Alzheimer disease), and number of comorbid conditions. Comorbidity was measured as a count of conditions collected by Chronic Conditions Warehouse and the Charlson Comorbidity Index. Read More