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Comment & Response
January 2016

Korean National Health Insurance Database

Author Affiliations
  • 1Department of Family Medicine, Seoul National University Hospital, Seoul, Korea
  • 2J.W. Lee Center for Global Medicine, Seoul National University College of Medicine, Seoul, Korea
  • 3Department of Epidemiology, Johns Hopkins Medical Institutions, Baltimore, Maryland
  • 4Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, Maryland
JAMA Intern Med. 2016;176(1):138. doi:10.1001/jamainternmed.2015.7110

To the Editor We welcome a recent Invited Commentary in JAMA Internal Medicine, in which Hsing and Ioannidis highlight the usefulness of large population-based studies featuring the National Health Insurance (NHI) Research Databases of Taiwan, Sweden, and Korea.1 We would like, however, to correct some inaccuracies in the description of the Korean NHI Databases that undermine proper consideration of its full potential.

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