Table 1.
Patients' Characteristics and Cardiac Magnetic Resonance Parameters in Non‐Ischemic Cardiomyopathy Patients
| Variables |
Total N=239 |
LGE Positive N=109 |
LGE Negative N=130 |
P Value (LGE Positive vs LGE Negative) |
|---|---|---|---|---|
| Age, y | 55±14 | 55±14 | 54±14 | 0.855 |
| Male, n (%) | 159 (67) | 74 (68) | 85 (65) | 0.683 |
| BSA, m2 | 2.00±0.3 | 2.10±0.26 | 2.00±0.28 | 0.423 |
| Clinical history | ||||
| Heart rate, beat/min | 76±17 | 76±17 | 75±17 | 0.453 |
| Hypertension, n (%) | 92 (39) | 48 (44) | 44 (34) | 0.108 |
| Diabetes mellitus, n (%) | 51 (21) | 18 (17) | 33 (25) | 0.096 |
| Hyperlipidemia, n (%) | 55 (23) | 23 (21) | 32 (24) | 0.521 |
| VT/VF, n (%) | 40 (17) | 18 (17) | 22 (17) | 0.933 |
| LBBB, n (%) | 56 (23) | 16 (15) | 40 (31) | 0.038* |
| AF/AFL, n (%) | 25 (11) | 12 (11) | 14 (11) | 0.953 |
| Left ventricle | ||||
| LVEDV, mL | 268±85 | 282±93 | 257±76 | 0.022* |
| LVEDVi, mL/m2 | 131±36 | 137±39 | 128±32 | 0.040* |
| LVESV, mL | 184±89 | 197±100 | 174±78 | 0.049* |
| LVESVi, mL/m2 | 90±40 | 95±44 | 86±34 | 0.084 |
| LVSV, mL | 83±26 | 84±26 | 81±26 | 0.471 |
| LVSVi, mL/m2 | 41±12 | 41±13 | 41±12 | 0.758 |
| LVEF, % | 34±14 | 33±14 | 34±13 | 0.535 |
| LVM, g | 146±49 | 154±47 | 140±49 | 0.017* |
| LVMi, g/m2 | 72±20 | 75±19 | 69±21 | 0.045* |
| Right ventricle | ||||
| RVEDV, mL | 184±60 | 193±64 | 177±55 | 0.036* |
| RVEDVi, mL/m2 | 91±25 | 94±26 | 88±24 | 0.105 |
| RVESV, mL | 105±56 | 106±61 | 105±52 | 0.914 |
| RVESVi, mL/m2 | 51±25 | 55±27 | 48±23 | 0.029* |
| RVSV, mL | 79±25 | 80±24 | 79±26 | 0.651 |
| RVSVi, mL/m2 | 39±12 | 39±11 | 39±12 | 0.976 |
| RVEF, % | 46±14 | 44±15 | 47±13 | 0.113 |
| RVEDV/LVEDV | 0.71±0.2 | 0.71±0.19 | 0.71±0.20 | 0.990 |
| Left ventricular fibrosis | ||||
| LGE, g | 5.0 [3.8–6.3] | … | … | |
| LGE% | 3.4 [2.8–4.4] | … | … | |
AF indicates atrial fibrillation; AFL, atrial flutter; BSA, body surface area; LGE, late gadolinium enhancement; LVEDV, left ventricular end‐diastolic volume; LVEDVi, left ventricular end‐diastolic volume index; LVEF, left ventricular ejection fraction; LVESV, left ventricular end‐systolic volume; LVESVi, left ventricular end‐systolic volume index; LVM, left ventricular mass; LVMi, left ventricular mass index; LVSV, left ventricular stroke volume index; LVSV, left ventricular stroke volume; RVEDV, right ventricular end‐diastolic volume; RVEDVi, right ventricular end‐diastolic volume index; RVEF, right ventricular ejection fraction; RVESV, right ventricular end‐systolic volume; RVESVi, left ventricular end‐systolic volume index; RVSV, right ventricular stroke volume; RVSVi, right ventricular stroke volume index; VF, ventricular fibrillation; and VT, ventricular tachycardia.
Significant value (P<0.05).