CONCLUSIONS: Investigator adjudication is an alternative to a CEC with similar accuracy and faster event accumulation in HFpEF. The use of granular (SCTI) criteria did not improve trial performance. Our data suggest that a broader definition of an HHF event could be particularly beneficial in HFpEF clinical trials. (EMPagliflozin outcome tRial in Patients with chronic heart Failure With Preserved Ejection Fraction; …