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.

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 Retrograde Cholangiopancreatography (ERCP), GallRiks.

Population

All cholecystectomies and ERCPs recorded in GallRiks between 1 January 2006 and 31 December 2014.

Main outcome measures

Outcomes for intraprocedural as well as postprocedural adverse events between units with either a 30-day follow-up of ≥90% compared with those with a less frequent follow-up (<90%).

Results

Between 2006 and 2014, 162 212 cholecystectomies and ERCP procedures were registered in GallRiks. After the exclusion o

SUBMITTER: Enochsson L 

PROVIDER: S-EPMC5786088 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature