Table 1.
Parameter | All patients (n=510) | Transvenous ICD (n=448) | Subcutaneous ICD (n=62) | P-values |
---|---|---|---|---|
Male gender, n (%) | 399 (78) | 354 (79) | 45 (73) | 0.250 |
Age, years | 65 ±13 | 67 ±11 | 47 ±13 | <0.001 |
BMI classification | 0.001 | |||
Underweight, n (%) | 10 (2) | 10 (2) | 0 (0) | |
Normal weight, n (%) | 189 (37) | 154 (34) | 35 (56) | |
Overweight and obese, n (%) | 311 (61) | 286 (64) | 25 (40) | |
LV ejection fraction, % | 36 ±11 | 34 ±10 | 49 ±14 | <0.001 |
New York Heart Association | <0.001 | |||
Class I, n (%) | 107 (21) | 66 (15) | 41 (66) | |
Class II, n (%) | 270 (53) | 256 (57) | 14 (23) | |
Class III, n (%) | 128 (25) | 121 (27) | 7 (11) | |
Class IV, n (%) | 5 (1) | 5 (1) | 0 (0) | |
Secondary prevention of SCD, n (%) | 123 (24) | 91 (20) | 32 (52) | <0.001 |
Cardiomyopathy | ||||
Ischaemic, n (%) | 286 (56) | 268 (60) | 18 (29) | <0.001 |
Dilated, n (%) | 97 (19) | 94 (22) | 3 (5) | 0.002 |
Hypertrophic, n (%) | 25 (5) | 16 (4) | 9 (15) | <0.001 |
Hypertensive, n (%) | 16 (3) | 15 (3) | 1 (2) | 0.706 |
Valvular, n (%) | 20 (4) | 18 (4) | 2 (3) | 1.000 |
ARVD, n (%) | 10 (2) | 7 (2) | 3 (5) | 0.110 |
Congenital, n (%) | 5 (1) | 4 (1) | 1 (2) | 0.478 |
Other, n (%) | 5 (1) | 3 (1) | 2 (3) | 0.114 |
Channelopathies/Other | ||||
Idiopathic VF, n (%) | 20 (4) | 13 (3) | 7 (11) | 0.001 |
Brugada, n (%) | 15 (3) | 2 (0.4) | 13 (21) | <0.001 |
Long QT syndrome, n (%) | 5 (1) | 3 (1) | 2 (3) | 0.114 |
Other, n (%) | 6 (1) | 5 (1) | 1 (2) | 0.542 |
Coronary artery disease, n (%) | 293 (57) | 275 (61) | 18 (29) | <0.001 |
Myocardial infarction, n (%) | 269 (53) | 252 (56) | 17 (27) | <0.001 |
Coronary artery bypass graft, n (%) | 97 (19) | 92 (21) | 5 (8) | 0.019 |
PTCA, n (%) | 194 (38) | 181 (40) | 13 (21) | 0.003 |
Chronic kidney disease, n (%) | 87 (17) | 83 (19) | 4 (6) | 0.018 |
Diabetes, n (%) | 134 (27) | 127 (28) | 7 (11) | 0.004 |
COPD, n (%) | 82 (16) | 80 (18) | 2 (3) | 0.001 |
BMI, body mass index; LV, left ventricular; SCD, sudden cardiac death; ARVD, arrhythmogenic right ventricular dysplasia; VF, ventricular fibrillation; PTCA, percutaneous transluminal coronary angioplasty; COPD, chronic obstructive pulmonary disease.