| LBBB | Non-LBBB | P Value | |
|---|---|---|---|
| Age (yr) | 65±12.9 | 65±12.7 | 0.013 |
| Male | 37 (20.9) | 77 (43.5) | 0.168 |
| NYHA Class I | 40 (61.5) | 68 (60.7) | |
| Class II | 24 (36.9) | 36 (32.1) | 0.244 |
| Class III | 1 (1.5) | 8 (7.1) | |
| LVEDVi (ml/m2) | 117.8±31.6 | 102.4±31.9 | 0.002 |
| LVEF (%) | 38.6±11.7 | 41.8±10.6 | 0.065 |
| LVMi (g/m2) | 72.1±19.0 | 63.5±15.9 | 0.001 |
| RVEDVi (ml/m2) | 78.7±23.2 | 78.5±23.0 | 0.959 |
| RVEF (%) | 50.7±12.9 | 49.2±13.1 | 0.471 |
| Native T1 (ms) | 1323±37.3 | 1323±40.6 | 0.958 |
| ECV (%) | 25.4±3.2 | 25.5±3.2 | 0.837 |
| Stress MBF (ml/g/min) | 1.6±0.5 | 1.8±0.6 | 0.071 |
| Rest MBF (ml/g/min) | 0.7±0.2 | 0.7±0.2 | 0.433 |
| MPR | 2.39±0.86 | 2.53±0.85 | 0.294 |
NYHA = New York Heart Association classification, LVEDVi = indexed left ventricular end diastolic volume, LVEF = left ventricular ejection fraction, LVMi = indexed left ventricular mass, RVEDVi = indexed right ventricular end diastolic volume, RVEF = right ventricular ejection fraction, ECV=extracellular volume fraction, MBF = myocardial blood flow, MPR = myocardial perfusion reserve