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Understanding Hepatitis Data Limitations: North Dakota Report 2011

Explore the 2011 viral hepatitis data reported in North Dakota, highlighting limitations and insights such as under-reporting, CDC case definitions, and infection distinctions. This report includes cases of both Hepatitis C and B, categorized by year, gender, age group, and race.

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Understanding Hepatitis Data Limitations: North Dakota Report 2011

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  1. 2011 Viral Hepatitis Data

  2. Data Limitations • Morbidity based on reported positive lab result • Under-reporting of both acute and chronic infections • Morbidity based on CDC case definitions • “Hepatitis C virus infection past or present” • Numbers do not distinguish between resolved vs. active infections • “Hepatitis B virus infection, chronic” • Includes “confirmed” and “probable” cases • Follow-up includes collection of basic demographics and county of residence, at a minimum • Case interview and partner notification not included • Year 2005 is baseline year for data (due to implementation of new electronic reporting system, DREAMS, and more stringent follow-up) • Current data not de-duplicated with years prior to 2005

  3. Cases Reported to ND Department of Health2010 Morbidity

  4. Cases Reported to ND Department of Health2011 Morbidity

  5. 2011 Hepatitis C Data

  6. Reported Hepatitis C Cases* by YearNorth Dakota, 2007-2011 * Includes acute and “past or present” infections

  7. North Dakota Hepatitis C Cases* by Gender, 2011 *Based on reported positive lab result N=543

  8. North Dakota Hepatitis C Cases*by Age Group, 2011 *Based on reported positive lab result N=543

  9. North Dakota Hepatitis C Cases* by Race, 2011 *Based on reported positive lab result ^Race reported for 29% of cases N=543^

  10. 2011 Hepatitis B Data

  11. Reported Hepatitis B Cases* by YearNorth Dakota, 2007-2011 *Based on reported positive lab result

  12. North Dakota Hepatitis B Cases* by Gender, 2011 *Based on reported positive lab result N=48

  13. North Dakota Hepatitis B Cases*by Age Group, 2011 *Based on reported positive lab result N=48

  14. North Dakota Hepatitis B Cases* by Race, 2011 *Based on reported positive lab result ^Race reported for 29% of reported cases N=48^

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