Table1.
Baseline characteristics of enrolled MI patients.
| Characte ristics |
Total (n=91) |
Non- LVMD (n=54) |
LVMD (n=37) |
P value |
|---|---|---|---|---|
| Age (years old) | 63±9 | 64±8 | 62±9 | 0.357 |
| Male (%) | 75 (82.4) | 47 (87) | 28 (75.7) | 0.162 |
| BMI(kg/m2) | 24.60±3.03 | 25.0±2.6 | 24.1±3.5 | 0.158 |
| Hypertension (%) | 68 (74.7) | 40 (74.1) | 28 (75.7) | 0.863 |
| Diabetes (%) | 30 (33.0) | 17 (31.5) | 13 (35.1) | 0.716 |
| Hyperlipidemia (%) | 18 (19.8) | 10 (18.5) | 8 (21.6) | 0.715 |
| Prior PCI | 9 (9.9) | 6 (11.1) | 3 (8.1) | 0.637 |
| History of angina (%) | 73 (80.2) | 42 (77.8) | 31 (83.8) | 0.480 |
| COPD (%) | 2 (2.2) | 1 (1.9%) | 1 (2.7) | 0.786 |
| Stenosis vessel number | 2.4±0.7 | 2.5±0.7 | 2.3±0.8 | 0.376 |
| Two-vessels disease | 35 | 19 | 16 | 0.288 |
| Three-vessels disease | 56 | 33 | 23 | 0.548 |
| NYHA Class | 1.9±1.1 | 1.6±1.0 | 2.2±1.1 | 0.007 |
| QRS Duration (ms) | 103±17 | 99.4±12.8 | 107.3±20.4 | 0.042 |
| PBW(°) | 68.9±42.4 | 39.6±10.0 | 111.7±34.2 | <0.001 |
| PSD(°) | 20.6±12.4 | 13.4±5.9 | 31.0±12.0 | <0.001 |
| LVEDV(mL) | 125±62 | 97.8±29.6 | 163.7±75.8 | <0.001 |
| LVESV(mL) | 73±60 | 44.7±23.3 | 114.0±72.8 | <0.001 |
| LVEF (%) | 48±16 | 56.6±10.3 | 35.5±14.4 | <0.001 |
| HM (%) | 6 (2,12) | 3 (2,6) | 12 (7,24) | <0.001 |
| Scar(%) | 5 (2,10) | 3.5 (1,6) | 8 (4,16) | <0.001 |
BMI, body mass index; NYHA, New York Heart Association classification of heart failure; COPD, chronic obstructive pulmonary disease; LVEF, left ventricular ejection fraction; LVESV, left ventricular end systolic volume; LVEDV, left ventricular end diastolic volume; PBW, phase histogram bandwidth; PSD, phase standard deviation; PCI, percutaneous coronary intervention, HM, hibernating myocardium.