Table 4

Discrepancies for 11–17-year-olds in MMR, hepatitis B, and varicella immunization data in provider records and the immunization registry.

Current registry user sites

N = 6 sites, 143 matched records

Future direct-EMR-transfer sites

N = 7 sites, 180 matched records



% with

discrepancy

Range among provider sites

% with

discrepancy

Range among provider sites


MMR

Discrepancy in whether subject is up-to-date for MMR immunization

19.6

9.5–43.5

14.4

5.3–36.4

Discrepancy in number of MMR immunizations received by subject

18.2

9.5–43.5

11.1

0–31.8

Discrepancy in date of any MMR immunization in series

22.4

5.3–33.3

16.1

7.5–38.1

Hepatitis B

Discrepancy in whether subject is up-to-date for hepatitis B immunization

29.4

9.5–82.6

13.9

5.3–31.8

Discrepancy in number of hepatitis B immunizations received by subject

27.3

10.0–78.3

12.8

4.8–22.7

Discrepancy in date of any hepatitis B immunization in series

16.8

10.5–23.8

16.1

5.3–29.4

Varicella

Discrepancy in whether subject is up-to-date for varicella immunization

69.2

23.8–100

63.9

57.5–82.4

Discrepancy in number of varicella immunizations received by subject*

30.4

20.0–80.0

7.6

0–20.0

Discrepancy in date of any varicella immunization in series*

3.6

0–10.0

2.9

0–20.0


*Excludes provider records with documentation of varicella disease.

Mahon et al. BMC Public Health 2008 8:160   doi:10.1186/1471-2458-8-160

Open Data