Inventory of Inappropriate Prescriptions of Proton Pump Inhibitors (PPIs) in People Over 75 Years of Age

Inclusion criteria: * Patient over 75 years of age * Patient with a PPI in the initial prescription * Patient seen at least once between 01/01/2018 and 31/11/2019 in the general practice * Patient who has not expressed his opposition, after information, to the reuse of his data for the purpose of this research. Exclusion criteria: * Patient having expressed his opposition to participate in the study * Impossibility to give the patient informed information (difficulties in understanding the subject, ...) * Patient under legal protection * Patient under guardianship or curatorship * Patient who is no longer followed up in the office following an entry into an institution (EHPAD)