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Chronic Disease Indicators

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Arthritis among adults aged >= 18 years

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Arthritis among adults aged >= 18 years
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Measure Definitions

Number = The measured or estimated number of people who had an attribute or disease during a specific year.
Prevalence = The measured or estimated percentage of people -- weighted to population characteristics – with an attribute or disease during a specific year.
Age-adjusted Prevalence = Prevalence (see above) standardized to the age distribution of a specific population, usually the U.S. 2000 standard population.
Crude Rate = The measured number of deaths, cases of conditions, diseases or hospitalizations during a specific year – specified as rates per 1,000, per 10,000, per 100,000 or rates per 1,000,000 persons.
Age-adjusted Rate = Crude rate (see above) standardized to the age distribution of a specific population, usually the U.S. 2000 standard population.
Mean = The measured or estimated mean (average or central value of a discrete set of numbers)—weighted to the population characteristics for an attribute or disease during a specific year.
Adjusted Mean = Mean (see above) standardized to the age distribution of a specific population, usually the U.S. 2000 standard population.
Packs Sold per Capita = Packs sold per capita per year.
CI = 95% Confidence Interval.

Suggested Citation

Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Division of Population Health. Chronic Disease Indicators (CDI) Data [online]. [accessed Dec 07, 2023]. URL: https://nccd.cdc.gov/cdi.