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Data Limitations

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

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Data Limitations

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  1. 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

  2. Cases Reported to ND Department of Health(2005 Morbidity) *2005 is baseline year for reported positive lab results for HBV & HCV. 2005 data not de-duplicated with previous years.

  3. Cases Reported to ND Department of Health(2006 Morbidity) *2005 is baseline year for reported positive lab results for HBV & HCV. 2006 data not de-duplicated with years prior to 2005.

  4. 2006 Hepatitis C Data

  5. *Includes acute and “past or present” infections

  6. North Dakota Hepatitis C Cases* by GenderYear 2006, N=578 *Based on reported positive lab result

  7. North Dakota Hepatitis C Cases* by Age GroupYear 2006, N=578† *Based on reported positive lab result †Age unknown for 1 case

  8. North Dakota Hepatitis C Cases* by RaceYear 2006, N=578^ *Based on reported positive lab result ^Race reported for 61% of reported cases

  9. 2006 Hepatitis B Data

  10. *Includes acute and chronic infections

  11. North Dakota Hepatitis B Cases* by GenderYear 2006, N=61 *Based on reported positive lab result

  12. North Dakota Hepatitis B Cases* by Age GroupYear 2006, N=61 *Based on reported positive lab result

  13. North Dakota Hepatitis B Cases* by RaceYear 2006, N=61^ *Based on reported positive lab result ^Race reported for 52% of reported cases

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