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J Korean Soc Matern Child Health > Volume 13(2); 2009 > Article
Journal of The Korean Society of Maternal and Child Health 2009;13(2):135-144.
DOI: https://doi.org/10.21896/jksmch.2009.13.2.135    Published online July 31, 2009.
Evaluation of Data Error, Completeness, Timeliness of National Immunization Registry in Korea
이석구1, 전소연2, 고운영3, 김명진3, 이수현4
0~12세 아동에 대한 국가예방접종등록시스템 데이터베이스의 오류율, 충실도, 적시성 평가
이석구1, 전소연2, 고운영3, 김명진3, 이수현4
Through quantitative analysis of the main computerized national immunization registry in Korea in operation since 2000, this study was performed to propose methods of improving the national immunization registry.
Data for the analysis was collected from the computerized national immunization registry system from 1 Jan. 2001 to 31 Dec. 2006. Among the data collected, we sampled immunization data of children from the ages of 0-12 years (as of 31 Dec. 2006). Then we selected only data registered by public health centers.
The number of registrations gathered by the computerized program for immunization registry was 4,762,685, which represents 63.0% of the total population from resident registration (as of 31 Dec. 2006). The analysis of this data revealed a 12.11% rate of error for personal information such as age, sex, address and a 1.19% rate of incompleteness for vaccination related information. Furthermore, in 26.3% of the cases, the entry into the immunization registry of the vaccination occurred on the same day the vaccinations occurred, and 23.7% of the time, within 1~7 days of the vaccinations. Consequently 50% of immunization data was registered into the immunization registry within 1 week of the vaccinations.
There first needs to be considerable improvement in data gathering and data entry if the national immunization registry program is to be succeed. Participation by private medical providers who represent 60% of vaccination services is necessary and the role of public health centers should be changed to improve the program. In addition, the central government needs to invest in the private sector's participation in the registry and the education of the public and its view of the vaccination registry. The only public health center had to take part in immunization registry till now because there are limited resources. Now, the authorities must try to increase utility of registered data and improve quality of vaccination services if only there are accumulated data.
Key Words: national immunization registry, database, data error, completeness

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