Total | Not replaced | Replaced | P-value | ||||
---|---|---|---|---|---|---|---|
Sample - n (%) | 351 | 284 | (80.9%) | 67 | (19.1%) | - | |
Male - n (%) | 297 | (84.6%) | 238 | (83.8%) | 59 | (89.1%) | 0.385§ |
Age - years | 60.6 ± 11.9 | 61.4 ± 11.8 | 56.9 ± 11.8 | 0.542† | |||
Body mass index - Kg/cm2 | 27.3 ± 4.5 | 27.2 ± 4.5 | 28.1 ± 4.7 | 0.481† | |||
Heart failure - n (%) | 255 | (72.6%) | 213 | (75.0%) | 42 | (62.7%) | 0.042§ |
LVEF - % | 31.4 ± 11.0 | 31.1 ± 11.1 | 32.6 ± 10.6 | 0.445† | |||
Atrial fibrillation - n (%) | 124 | (35.3%) | 99 | (34.9%) | 25 | (37.3%) | 0.552§ |
Diabetes mellitus - n (%) | 130 | (37.0%) | 104 | (36.6%) | 26 | (38.8%) | 0.410§ |
Hypertension - n (%) | 226 | (64.4%) | 182 | (65.1%) | 41 | (61.2%) | 0.535§ |
Dyslipidemia - n (%) | 258 | (73.5%) | 211 | (74.3%) | 47 | (70.1%) | 0.980§ |
Glomerular filtration rate – ml/min | 78.2 ± 26.4 | 76.7 ± 26.5 | 84.7 ± 25.5 | 0.043† | |||
Primary prevention - n (%) | 280 | (79.8%) | 226 | (79.6%) | 54 | (80.6%) | 0.983§ |
Indication - n (%) DCM HCM ICM Other | 79 38 190 44 | (22.5%) (10.8%) (54.1%) (12.5%) | 69 24 157 34 | (24.3%) (8.4%) (55.3%) (12.0%) | 10 14 13 10 | (14.9%) (20.9%) (49.3%) (14.9%) | 0.010§ 0.084§ 0.004§ 0.286§ 0.255§ |
ICD manufacturer - n (%) Abbott/St Jude Biotronik Boston/Guidant Medtronic Microport/Sorin | 67 68 78 84 54 | (19.1%) (19.4%) (22.2%) (23.9%) (15.4%) | 60 49 70 56 49 | (21.1%) (17.3%) (24.6%) (19.7%) (17.3%) | 7 19 8 28 5 | (10.4%) (28.4%) (11.9%) (41.8%) (7.5%) | < 0.001§ 0.045§ 0.039§ 0.024§ < 0.001§ 0.046§ |
Type of ICD - n (%) VVI VDD DDD | 292 6 53 | (83.2%) (1.7%) (15.1%) | 243 4 37 | (85.6%) (1.4%) (13.0%) | 49 2 16 | (73.1%) (3.0%) (23.9%) | 0.049§ 0.014§ 0.332* 0.026§ |
Shocks - n (%) | 69 | (19.7%) | 58 | (20.4%) | 11 | (16.4%) | 0.423§ |
Number of shocks | 0 (0–46) | 0 (0–46) | 0 (0–12) | 0.291# | |||
ATP - n (%) | 56 | (16.0%) | 45 | (15.8%) | 11 | (16.4%) | 0.982§ |
Number of ATP | 0 (0–56) | 0 (0–45) | 0 (0–56) | 0.785# | |||
Pacing - n (%) 0 1–25 26–50 51–75 76–99 100 | 271 41 13 4 13 9 | (77.2%) (14.3%) (4.5%) (1.4%) (4.5%) (3.1%) | 228 33 7 2 9 5 | (80.3%) (11.6%) (2.5%) (0.7%) (3.2%) (1.8%) | 43 8 6 2 4 4 | (64.2%) (11.9%) (9.0%) (3.0%) (6.0%) (6.0%) | 0.047§ 0.033§ 0.716§ 0.040* 0.206* 0.489* 0.106* |