NPPB and diabetes mellitus: On the other hand, six factors were identifiedas predictors of non-arrhythmic mortality: older age, diabetes, higher leftventricular end-diastolic diameter (LVEDD), New York Heart Association (NYHA)class III/IV and higher NT-proBNP quartile were associated with increased risk ofnon-arrhythmic mortality, whereas RAAS inhibitors use was related to reduced risk(Table 3).