Published: 2 June 2016
Author(s): Malcolm Koo
Issue: June 2016
Section: Letter to the Editor

Secondary analysis of existing data sets can be a cost-effective approach to conduct health research. In Taiwan, the availability of the claimed data from the single-payer, mandatory national health insurance program (the National Health Insurance Research Database, NHIRD) [1] for investigators has created unprecedented research opportunities, which has resulted in a wave of publications based on the NHIRD in the past decade or so. A PubMed search using the keyword“National Health Insurance Research Database”, with restriction to articles published in the last 10years, yielded over 1400 publications.

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