Pereira F, Roux P, Santiago-Delefosse M, et al. Optimising medication management for polymedicated home-dwelling older adults with multiple chronic conditions: a mixed-methods study protocol. BMJ Open 2019;9:e030030. doi: 10.1136/bmjopen-2019-030030.

This article was previously published with an error.

In order to be consistent with the information provided in the Methods section, 5 years have been changed to 4 years in the abstract and the sentence now reads as:

The quantitative phase will consist of retrospectively exploiting the last 4 years of electronic patient records from a local hospital (N ≈ 50 000) in order to identify the different profiles—made up of patient-related, medication-related and environment-related factors—of the polymedicated, home-dwelling OAMCC at risk of hospitalisation, emergency department visits, hospital readmission (notably for MRPs), institutionalisation or early death.