Table 5 Subgroup analysis regarding 1-year mortality.
Subgroup | N | ≤ 70 bpm [%] | > 70 bpm [%] | p |
|---|---|---|---|---|
Age ≤ 65 years | 824 | 2.7 | 1.6 | 0.32 |
Age > 65 years | 765 | 8.2 | 9.4 | 0.66 |
Male | 1230 | 5.7 | 5.4 | 0.81 |
Female | 359 | 4.2 | 5.2 | 0.68 |
Single chamber ICD | 958 | 6.2 | 4.7 | 0.32 |
Dual chamber ICD | 214 | 0.8 | 9.2 | 0.003 |
CRT-D | 417 | 6.3 | 5.1 | 0.62 |
Primary prevention | 1014 | 5.0 | 4.7 | 0.84 |
Secondary prevention | 575 | 6.0 | 6.6 | 0.84 |
Coronary artery disease | 931 | 7.6 | 8.0 | 0.86 |
Dilated cardiomyopathy | 370 | 1.2 | 2.1 | 0.57 |
Congestive heart failure (+ LVEF ≤ 40%) | 741 | 7.0 | 4.8 | 0.20 |
LVEF > 55% | 140 | 2.7 | 5.3 | 0.43 |
LVEF ≤ 55% | 1349 | 5.6 | 5.3 | 0.82 |
NYHA III – IV | 617 | 6.7 | 6.4 | 0.82 |
NYHA I – II | 729 | 3.8 | 5.0 | 0.49 |
Diabetes mellitus | 399 | 10.9 | 6.0 | 0.077 |
No diabetes mellitus | 1189 | 3.7 | 5.1 | 0.26 |
Peripheral artery disease | 90 | 15.9 | 6.7 | 0.18 |
No peripheral artery disease | 1498 | 4.9 | 5.3 | 0.74 |
Chronic obstructive pulmonary disease | 123 | 10.9 | 11.4 | 0.97 |
No chronic obstructive pulmonary disease | 1465 | 5.0 | 4.8 | 0.86 |
