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2011 Viral Hepatitis Data
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
Cases Reported to ND Department of Health
2010 Morbidity
Outcome HAV HBV HCV
Acute infections 4 0 0
Chronic infections --- 54 486
Cases Reported to ND Department of Health
2011 Morbidity
Outcome HAV HBV HCV
Acute infections 0 0 0
Chronic infections - 48 543
2011 Hepatitis C Data
Reported Hepatitis C Cases* by YearNorth Dakota, 2007-2011
2007 2008 2009 2010 20110
100
200
300
400
500
600
700
488 444 467 486543
* Includes acute and “past or present” infections
North Dakota Hepatitis C Cases* by Gender, 2011
Male 56%
Female44%
*Based on reported positive lab result
N=543
North Dakota Hepatitis C Cases* by Age Group, 2011
Under 18
18-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65 and over
0
20
40
60
80
100
120
10
112
61 63
44 50 5468
53
16 12
*Based on reported positive lab result
N=543
North Dakota Hepatitis C Cases* by Race, 2011
American Indian or Alaska Native10%
White17.5%
Black1%Unknown
71%
Asian0% Other
0%
*Based on reported positive lab result^Race reported for 29% of cases
N=543^
2011 Hepatitis B Data
Reported Hepatitis B Cases* by YearNorth Dakota, 2007-2011
2007 2008 2009 2010 20110
10
20
30
40
50
60
70
80
2 2 0 0 0
58
6859
5448
Acute HBVChronic HBV
*Based on reported positive lab result
North Dakota Hepatitis B Cases* by Gender, 2011
*Based on reported positive lab result
Male 56%
Female44%
N=48
North Dakota Hepatitis B Cases* by Age Group, 2011
*Based on reported positive lab result
Under 18
18-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65 and over
0
2
4
6
8
10
12
14
2
67 7
6
32 2
7
3 3
N=48
North Dakota Hepatitis B Cases* by Race, 2011
*Based on reported positive lab result^Race reported for 29% of reported cases
Asian2%
Black or African American12.5%
White13%
Unknown71%
American Indian2%
N=48^
