An Evaluation of Lot Quality Assurance Sampling to Monitor and Improve Immunization Coverage

Quality assurance sampling techniques with small samples offer a method of monitoring performance of health services in small health areas, and of identifying areas with poor performance in which remedial actions need to be targetted. Lot Quality Assurance Sampling methods were used to assess the co...

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Bibliographic Details
Published in:International journal of epidemiology 1990-12, Vol.19 (4), p.1086-1090
Main Authors: LANATA, CLAUDIO F, STROH, GEORGE, BLACK, ROBERT E, GONZALES, HILDA
Format: Article
Language:English
Subjects:
Biological and medical sciences
Child, Preschool
Drug Evaluation
General aspects
Health Services Needs and Demand - statistics & numerical data
Humans
Immunization - standards
Infant
Infectious diseases
Medical sciences
Peru
Pilot Projects
Quality Assurance, Health Care
Sampling Studies
Tropical medicine
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Summary:Quality assurance sampling techniques with small samples offer a method of monitoring performance of health services in small health areas, and of identifying areas with poor performance in which remedial actions need to be targetted. Lot Quality Assurance Sampling methods were used to assess the coverage resulting from three immunization campaigns in rural and urban areas in the mountains of Peru. Application of these methods in 12 health areas with populations of 538 to 15 780 by Ministry of Health personnel proved feasible and could be used to identify areas with poorer vaccination coverage. Further discussion about possible reasons for poor coverage led to corrective actions in these health areas and an improvement in overall coverage from 78% to 88% in a three-month period. These quality assurance methods are a useful supervisory tool to improve health programme performance.
ISSN:0300-5771
1464-3685
DOI:10.1093/ije/19.4.1086