Forty-two percent of patients had a PPI on their medication list without indication 8 weeks after discharge, and more than half of these patients still were using PPIs 1 year later.

Compared with propensity-score matched patients without PPI use after discharge, patients with continued PPI use were 27% more likely to develop pneumonia, 17% more likely to develop experience cardiac events, 34% more likely to be .readmitted to the hospital in the subsequent year and 17% greater risk of in increased mortality at two years.

https://journals.lww.com/ccmjournal/fulltext/2024/02000/timely_cessation_of_proton_pump_inhibitors_in.4.aspx