Table 1.

Burden of chronic illness in the United States*

Chronic conditionsMean total medical care costs per year ($)Percentage hospitalised annuallyMean No of physician visits per yearMean No of drugs prescribed per yearPercentage working or in full time education
None (141 million people)11023.
One (87.8 million people)41077.64.611.074.7
Three or more (22.3 million people)719517.39.428.347.9
  • * Data from United States Agency for Healthcare Research and Quality. Medical Expenditure Panel Survey, 1996 (adapted from figs 2 and 4 in Anderson G, Knickman JR. Changing the chronic care system to meet people's needs. Health Affairs 2001;20(6):146-60).