Inversed relationship between completeness of follow-up and coverage of postoperative complications in gallstone surgery and ERCP: a potential source of bias in patient registers
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DOI: 10.1136/bmjopen-2017-019551
Abstract: Objective To analyse the completeness in GallRiks of the follow-up frequency in relation to the intraoperative and postoperative outcome. Design Population-based register study. Setting Data from the national Swedish Registry for Gallstone Surgery and Endoscopic… read more here.
Keywords: completeness; follow frequency; ercp procedures; gallstone surgery ... See more keywords