Assessing immunization registry data completeness in Bexar County, Texas

Background: Immunization information systems (or registries) are increasingly being used to promote and sustain high levels of vaccination coverage. However, the perception among many providers that registry data are too incomplete to be relied on when making immunization decisions has impeded the a...

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Bibliographic Details
Published in:American journal of preventive medicine 2002-04, Vol.22 (3), p.184-187
Main Authors: Boyd, Terry D, Linkins, Robert W, Mason, Keith, Bulim, Igor, Lemke, Brenda
Format: Article
Language:English
Subjects:
Child, Preschool
data collection
Diphtheria-Tetanus-acellular Pertussis Vaccines - administration & dosage
evaluation studies
Haemophilus influenzae type b - immunology
Haemophilus Vaccines - administration & dosage
Health Planning Guidelines
Humans
immunization
Immunization Programs - methods
Immunization Programs - standards
Immunization Programs - statistics & numerical data
Infant
information systems
Information Systems - standards
Measles-Mumps-Rubella Vaccine - administration & dosage
program evaluation
registries
Registries - standards
Texas
Vaccination - methods
Vaccination - standards
Vaccination - statistics & numerical data
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Summary:Background: Immunization information systems (or registries) are increasingly being used to promote and sustain high levels of vaccination coverage. However, the perception among many providers that registry data are too incomplete to be relied on when making immunization decisions has impeded the acceptance of registries. Methods: To evaluate registry completeness, immunization coverage levels from the San Antonio Immunization Registry System (SAIRS) were compared with coverage levels derived from immunization records from 77 (37%) of the 210 clinics participating in the Vaccines for Children (VFC) program in 1998, 44 (21%) clinics in 1999, and 10 (5%) clinics in 2000. Results: Clinic data indicated an average immunization coverage level for the 4:3:1 series of 39.8%. The overall coverage level for these clinics based on registry data was 64.1%. Registry-coverage levels for these clinics were ≤65% above the coverage levels based on clinic records. Conclusions: Immunization coverage levels based on SAIRS data were the same or higher than coverage levels based on clinic records. These data suggest that San Antonio’s registry data were more complete than clinic records and may assist in changing provider perceptions regarding registry data completeness.
ISSN:0749-3797
1873-2607
DOI:10.1016/S0749-3797(01)00427-5