There are errors in the second sentence of the “Identification of cases and controls” subsection of the Methods. The correct sentence is: ICD-9 codes used to identify gastrointestinal bleeding events were: ulcer of esophagus with hemorrhage (530.21), gastric ulcer with hemorrhage (531.0*, 531.2*, 531.4*, 531.6*), duodenal ulcer with hemorrhage (532.0*, 532.2*, 532.4*, 532.6*), peptic ulcer with hemorrhage (533.0*, 533.2*, 533.4*, 533.6*), gastrojejunal ulcer with hemorrhage (534.0*, 534.2*, 534.4*, 534.6*), gastritis and duodenitis with hemorrhage (535.01, 535.11, 535.21, 535.31, 535.41, 535.51, 535.61), angiodysplasia or dieulafoy lesion of stomach and duodenum with hemorrhage (537.83, 537.84), diverticul of intestine with hemorrhage (562.02, 562.03, 562.12, 562.13), angiodysplasia or dieulafoy lesion of intestine with hemorrhage (569.85, 569.86), and gastrointestinal hemorrhage (578.*).
Reference
Citation: The PLOS ONE Staff (2015) Correction: Antidepressant-Warfarin Interaction and Associated Gastrointestinal Bleeding Risk in a Case-Control Study. PLoS ONE 10(3): e0121926. https://doi.org/10.1371/journal.pone.0121926
Published: March 26, 2015
Copyright: © 2015 The PLOS ONE Staff. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited