Correction to: Baseline-adjusted proportional odds models for the quantification of treatment effects in trials with ordinal sum score outcomes

BMC Med Res Methodol. 2020 Jul 9;20(1):186. doi: 10.1186/s12874-020-01028-5.

¹ Department of Biostatistics, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Hirschengraben 84, CH-8001, Zurich, Switzerland.
² University Hospital Balgrist, Spinal Cord Injury Center, Forchstrasse 340, CH-8008, Zurich, Switzerland.
³ International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver/Kelowna, Canada.
⁴ Department of Biostatistics, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Hirschengraben 84, CH-8001, Zurich, Switzerland. [email protected].

Abstract

An amendment to this paper has been published and can be accessed via the original article.