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KMID : 1101620190300010001
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Perinatology
2019 Volume.30 No. 1 p.1 ~ p.7
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The Incidence and Survival Rate of Very Low Birth Weight Infants in Korea (2013-2016): A Comparison of the Statistics Korea and the Korean Neonatal Network and Improvements
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Kim Ji-Su
Kim Hye-Eun
Lee Kyung-Suk
Chung Sung-Hoon
Choi Yong-Sung
Bae Chong-Woo
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Abstract
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Objective: We aimed to compare the total number of live births and survival rates of very low birth weight infants (VLBWIs) from the Statistics Korea and the Korean Neonatal Network (KNN) data between 2013 and 2016, and to find out the direction in which the total number of VLBWIs is included in KNN.
Methods: We obtained the number of live births and deaths of VLBWIs and extremely low birth weight infants among vital statistics of the Statistics Korea from 2013 to 2016 and compared the differences with KNN data using the KNN annual reports during the same period.
Results: The survival rates were 84.2%, 86.5%, 84.9% for VLBWIs in the Statistics Korea, and 83.4%, 86.4%, 84.6% in the KNN data from 2014 to 2016. There was no significant difference between the data. The rates of registration of VLBWIs (registration number of the KNN/registration number of the Statistics Korea) showed 50.8%, 87.7%, 87.7%, 88.3% between 2013 and 2016, respectively. It showed an increasing trend every year. However, registration rates according to the birth weight (BW) and gestational age (GA) were significantly lower in BW of less than 400 g and GA of less than 22 weeks.
Conclusion: KNN is considered to be a good database representing the number of births of VLBWIs born in Korea. However, it is necessary to establish the GA of survival limits in the data of the Statistics Korea, and acquire data on the number of VLBWIs who are not collected by hospitals and clinics in Korea.
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KEYWORD
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Very low birth weight infants, Live birth, Survival rate, Vital statistics
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