Table 3

Discrepancies in pertussis-related immunization data between provider records and the immunization registry by age group.

% of subjects with discrepancy

Current registry user sites

% of subjects with discrepancy

Future direct-EMR-transfer sites



0–10 years old

11–17 years old

0–10 years old

11–17 years old


Discrepancies in pertussis-related immunization series

Discrepancy in whether subject is up-to-date for pertussis-related immunizations

26.1

19.2

3.1

5

Discrepancy in number of pertussis-related immunizations received by subject

30.3

37.7

7.2

17

Any present in provider record but not in registry

23.2

32.2

0

0.6

Any present in registry but not in provider record

5.6

13.7

0

0.6

Discrepancy in date of any pertussis-related immunization in series

16.9

30.1

15.9

20.3

Discrepancy in formulation of any pertussis-related immunization in series

12.0

10.3

4.1

6.6

Discrepancies in pertussis-related immunizations

Date discrepancy

4.9

14.3

5.5

10.2

Discrepancy of 1–29 days

3.8

13.1

4.4

8.5

Discrepancy of 1–11 months

1

0.8

0.8

0.8

Discrepancy of ≥ 1 year

0.2

0.5

0.2

0.8

Discrepancy in formulation

28.3

39.1

21.4

35.7

Discrepancy in whether pertussis-related immunization contained pertussis vaccine (vs diphtheria-tetanus only)

0

1.1

0

0.8

Discrepancy in manufacturer, among those with manufacturer noted in provider record

100

100

99.8

86.1

Discrepancy in lot number, among those with lot number noted in provider record)

100

100

99.8

89.0


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

Open Data