Table 3

- Characteristics of patients with atrioventricular block (young idiopathic vs. old idiopathic).

VariablesYoung patients (n=21)Older patients (n=58)P-values
Age (years), median (IQR)56 (53-58)75 (67-79)<0.001
Male gender8 (38.1)29 (50.0)0.349
Hypertension15 (71.4)51 (87.9)0.081
Diabetes mellitus13 (61.9)48 (82.5)0.056
Dyslipidemia4 (19.1)25 (43.1)0.05
Any comorbidity (hypertension, diabetes mellitus, or dyslipidemia)17 (80.1)56 (96.5)0.022
Diagnosis
CHB11 (52.4)41 (70.7)0.473
2nd degree AVB7 (33.3)12 (20.7)
AF with slow ventricular response2 (9.5)4 (6.9)
Unknown1 (4.8)1 (1.7)
Investigated for cardiac sarcoidosis5 (23.8)0 (0.0)0.001
Type of pacemaker (single)3 (14.3)32 (55.2)0.001
New-onset heart failure at one year------
Death at one year0 (0.0)5/56 (8.9)0.05

Values are presented as numbers and percentages (%).

IQR: interquartile range, CHB: complete heart block, AVB: atrioventricular block, AF: atrial fibrillation