HEDIS (a registered trademark)* rates of cervical cancer** and chlamydia*** screening, by payer, 2000-2003 (line graph): 2003: cervical cancer, commercial, 81.8%; cervical cancer, Medicaid, 64.0%; chlamydia, Medicaid, 46.0%; chlamydia, commercial, 29.1%. Rates have remained steady or increased slightly during the specified time period.

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 21-64 who had at least one Pap test in the past three years.

***The percentage of sexually active plan members aged 21-25 who had at least one test for chlamydia in the past year.