Table 2.
Baseline patient characteristics categorized by IVCD patterns
| LBBB N = 87 |
RBBB N = 27 |
NSIVCD N = 61 |
No IVCD N = 373 |
P value | |
|---|---|---|---|---|---|
| Variable | |||||
| Demographics | |||||
| men/women |
59/28 (67.8%/32.2%) |
20/7 (74.1%/25.9%) | 51/10 (83.6%/19.2%) | 268/105 (71.8%/28.2%) | 0.183 |
| Age (year) | 47 ± 14 | 45 ± 16 | 48 ± 14 | 44 ± 15 | 0.523 |
| Body mass index (kg/m2) | 25.3 ± 4.4 | 25.2 ± 4.5 | 24.8 ± 4.7 | 25.3 ± 4.5 | 0.238 |
| Alcohol | 27 (31.0%) | 9 (33.3%) | 16 (26.2%) | 100 (26.8%) | 0.001 |
| History of smoking | 34 (39.1%) | 16 (59.3%) | 27 (44.3%) | 126 (33.8%) | 0.001 |
| Family history of DCM | 19 (21.8%) | 5 (18.5%) | 10 (16.4%) | 53 (14.2%) | 0.013 |
| Comorbidity | |||||
| Hypertension | 23 (27.1%) | 3 (11.5%) | 14 (23.9%) | 86 (27.1%) | 0.106 |
| Diabetes | 14 (17.3%) | 5 (18.5%) | 9 (15.8%) | 68 (21.1%) | 0.189 |
| Hyperlipidaemia | 19 (32.2%) | 5 (23.8%) | 32 (31.9%) | 153 (35.2%) | 0.735 |
| NYHA classes III and IV | 63 (72.4%) | 17 (63.0%) | 45 (73.8%) | 197 (52.8%) | 0.001 |
| NT-proBNP (pg/mL) | 1883 (1348–3925) | 2148 (1078–3764) | 1722 (1269–3665) | 1768 (1048–3534) | 0.143 |
| Medications | |||||
| ACE inhibitor | 61 (71.8%) | 12 (44.4%) | 72 (70.0%) | 218 (60.4%) | 0.029 |
| ARB | 21 (24.4%) | 9 (33.3%) | 12 (20.0%) | 117 (32.2%) | 0.162 |
| β-Blocker | 76 (89.4%) | 21 (77.8%) | 54 (91.5%) | 330 (91.4%) | 0.132 |
| Diuretic | 73 (85.9%) | 21 (77.8%) | 50 (84.7%) | 318 (87.1%) | 0.576 |
| MRA | 47 (54.0%) | 13 (48.1%) | 35 (57.4%) | 207 (55.5%) | 0.134 |
| Digoxin | 62 (81.6%) | 16 (76.2%) | 49 (79.0%) | 251 (85.4%) | 0.448 |
Values are n (%), means ± standard deviations, or means (interquartile ranges).
Abbreviations are as in Table 1