The population aged 65 years or older is primarily non-Hispanic white for the years analyzed. Only ~10% of Medicare patients are of any other race/ethnicity. Non-Hispanic whites continue to be the largest racial/ethnic group for every Medicare age category studied.
Chart Explanation: The chart shows on the y-axis (vertical line) the percentage of patients, and the x-axis (horizontal line) shows the age groups by year, gender, or race.
Because diagnoses for medical conditions are key to the charts shown in the CKD Surveillance System and they come from claims submitted by providers for the fee-for-service parts of Medicare, Part A (hospital care) and Part B (ambulatory care), we restrict our analysis sample to beneficiaries aged 65 years or older who have Parts A and B coverage for the entire calendar year and have at least 1 outpatient visit in the calendar year.
Between 20% and 25% of beneficiaries each year used Part C, managed care/Medicare Advantage plans, and are excluded since their care was paid on a capitated basis and claims with diagnoses are not available.
This indicator shows the demographic characteristics of the Medicare data used throughout this web site that are known risk factors for chronic kidney disease such as older race and non-white racial and ethnic groups.
Field | Data |
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Data Set | Medicare National 5% Sample |
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Period Currently Available | 2005-2019
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Secondary (1) Variable | Age at the end of the previous calendar year |
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Description of Measure | Race/ethnicity distribution within age categories of Medicare fee-for-service beneficiaries |
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Data Source | Centers for Medicare and Medicaid Services |
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Type of Data Source | Administrative |
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Health Care System Data | Yes |
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Regional or National? | National |
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Demographic Group | Patients aged 65 and older using fee-for-service Medicare |
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Numerator | Patients in denominator within specified race/ethnicity group |
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Denominator | Patients aged 65 or older with full-year Part A and B enrollment and at least one outpatient visit in the calendar year within specified age category. |
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Primary Data Source Indicator | Race/ethnicity |
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