Table 5 Univariate analysis of predictors for left ventricular ejection fraction improvement after CABG
Parameters | Left Ventricular Ejection Fraction Improvement | P value | |
|---|---|---|---|
Yes (N = 22) | No (N = 22) | ||
Male (%) | 21 (95.5) | 20 (90.9) | 0.550 |
Age (years) | 59.4 ± 8.8 | 61.1 ± 9.9 | 0.566 |
NYHA class | 2.82 ± 0.4 | 2.23 ± 0.53 | < 0.001 |
History of MI (%) | 14 (63.6) | 16 (72.7) | 0.517 |
Q wave from ECG (%) | 8 (36.4) | 11 (50) | 0.361 |
Number of diseased vessels | 3.7 ± 0.8 | 3.2 ± 0.9 | 0.075 |
Number of grafts | 3.7 ± 0.8 | 3.3 ± 0.8 | 0.130 |
LVDD (mm) | 59.7 ± 7.2 | 62.9 ± 9.1 | 0.203 |
LVSD (mm) | 49.2 ± 8.8 | 52.8 ± 11.2 | 0.245 |
LVEDV (ml) | 174.1 ± 53.4 | 191.5 ± 65.1 | 0.338 |
LVESV (ml) | 109 ± 54.7 | 129.9 ± 64.6 | 0.254 |
Baseline LVEF (%) | 40.2 ± 12.9 | 35.5 ± 13.2 | 0.244 |
Average LGE area (%) | 32.9 ± 20 | 43.3 ± 18.6 | 0.008 |
Average EDWT (mm) | 5.59 ± 1.5 | 5.58 ± 1 | 0.978 |
Percent of segments with wall thinning*,** | 37.1 ± 19.8 | 46.8 ± 19.1 | 0.110 |
Percent of segments with LGE area* | 51.4 ± 24.6 | 59.8 ± 24.1 | 0.264 |
Percent of segments with wall motion improvement (%)* | 62.1 ± 22.4 | 20.5 ± 10.4 | < 0.001 |