Developing a Standardization Algorithm for Categorical Laboratory Tests for Clinical Big Data Research: Retrospective Study

Mina Kim   ^{1, 2 *} , RN, MS ;   Soo-Yong Shin   ^{1, 2 *} , PhD ;   Mira Kang   ^{1, 2, 3} , MD, PhD ;   Byoung-Kee Yi   ^{1, 4} , PhD ;   Dong Kyung Chang   ^{1, 2, 5} , MD, PhD

¹ Department of Digital Health, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, Republic of Korea

² Health Information and Strategy Center, Samsung Medical Center, Seoul, Republic of Korea

³ Center for Health Promotion, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

⁴ Smart Healthcare & Device Research Center, Samsung Medical Center, Seoul, Republic of Korea

⁵ Division of Gastroenterology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

*these authors contributed equally