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Am J Prev Med. 1993 Mar-Apr;9(2):96-100.

Development and validation of an immunization tracking system in a large health maintenance organization.

Author information

1
Group Health Cooperative of Puget Sound, Seattle, Washington.

Abstract

Practitioners seeing individual patients and those charged with improving immunization practices in that population need accurate information on the epidemiology of immunizations within the population. To meet this need, we have developed a computer-based record of data required by the National Childhood Vaccine Injury Act of 1986 for all immunizations given to 350,000 enrollees in a large health maintenance organization. In the first eight months of operation, 102,271 immunizations representing 11 separate antigens given to 65,676 enrollees were entered into the database. Comparison of immunizations given and recorded in the medical record with the database shows that the system has high sensitivity, specificity, and positive predictive value, but a relatively low negative predictive value. The database is being used for analysis of current immunization practices for Haemophilus influenzae b vaccine and for research on adverse outcomes of childhood immunizations.

PMID:
8471277
[Indexed for MEDLINE]

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