NPPB and diabetes mellitus: The average age of the patients was 61.7 (SD 9.3) years, males accounted for 63.8%, LVEF was 35.76 (SD 7.57) %, NT-proBNP was 1633.5 [857.33–3123.25] pg/mL, 9.1% of patients had a history of diabetes, and 31.3% had a history of hypertension.