Background: Patient safety indicators (PSI) are hospital quality measures designed by the Agency for Healthcare Research and Quality (AHRQ) to capture potentially-preventable adverse events. PSI-12 is defined as perioperative pulmonary embolism (PE) or deep vein thrombosis (DVT). It is unclear how active COVID-19 infection, which is known to be associated with coagulopathy, has impacted PSI-12 […]