Assessment of channeling bias among initiators of glucose-lowering drugs: A UK cohort study [Corrigendum]

Assessment of channeling bias among initiators of glucose-lowering drugs: A UK cohort study [Corrigendum]

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Ankarfeldt MZ, Thorsted BL, Groenwold RHH, et al.Clin Epidemiol.2017;9:19–30.

 On page 23, Figure 1 Notes section was marked incorrectly.The correct Notes should read as follows:Figure 1 Propensity score over time for GLP-1 versus basal insulin initiators.Notes: Blue: insulin, red: GLP-1.

Abbreviation: GLP-1, glucagon-like peptide-1 analogs. On page 24, Figure 2 Notes section was marked incorrectly.The correct Notes should read as follows:Figure 2 Propensity score over time for DPP-4i versus Light Meters sulfonylurea initiators.

Notes: Blue: sulfonylurea, red: DPP-4i.Abbreviation: DPP-4i, dipeptidyl peptidase-4 inhibitors. On Page 3 of Supplementary materials, Figure S2 caption was shown incorrectly.

The correct caption should read as follows:Figure S2 Histograms of propensity score over time.Intention-to-treat and perprotocol cohorts of all identified initiators of GLP-1 and insulin, and DPP-4i and sulfonylurea, respectively.Blue: insulin and sulfonylurea initiators, respectively.

Red: GLP-1 and DPP-4i initiators, respectively. Despite the above corrections, the interpretation of these figures in the published proof Furnishings Accessories and the Supplementary materials was correct. Read the original article.