HEDIS* (a registered trademark) rates of mammograms,** by payer, 2000-2003 (line graph): 2003: commercial, 75.3%; Medicare, 74.0%; Medicaid, 55.9%. Rates generally either remained stable or increased.

Source: National Committee for Quality Assurance. The State of Health Care Quality 2004. Washington, DC: NCQA, 2004.

*HEDIS (Health Plan Employer Data and Information Set) is a registered trademark of NCQA.

**The percentage of women aged 52-69 years who had at least one mammogram in the past two years.