Department of Medical Sciences;
Clinical Medical Unit;
University Hospital St. Anna;
University of Ferrara;
Ferrara;
Italy;
Department of Medical Sciences;
Cardiology Unit;
University Hospital St. Anna;
University of Ferrara;
Ferrara;
Italy;
Bradyarrhythmias; Charlson comorbidity 索引; 长期的肾疾病; Comorbidity; Glomerular 过滤率; 死亡; 心律调整器;