Validity of operative information in Japanese administrative data: a chart review-based analysis of 1221 cases at a single institution.
Takaaki KonishiTakako YoshimotoMichimasa FujiogiHayato YamanaMasahiko TanabeYasuyuki SetoHideo YasunagaPublished in: Surgery today (2022)
The DPC database had high validity for operative information.