Clinical Baselines and Patient Characteristics
The patient population was characterized by a broad spectrum of relevant comorbidities, as depicted in Table 1 . Most common comorbidities were chronic kidney disease (n=33/77; 42.9%), diabetes on insulin (n=17/77; 22.1%), presence of concomitant coronary artery disease (n=24/77; 31.2%) and atrial fibrillation (n=21/77; 27.3%). Most of the patients suffered from poor mobility or relevant frailty (n=58/77; 75.3%).