Table III.
Comparison of dobutamine echocardiography parameters in the two groups
| Parameter | 3DCLDDEMean, standard deviation(95% CI) | LDDEMean, standard deviation(95% CI) | P-value |
|---|---|---|---|
| WMSI at rest | 1.36 ±0.14 (1.31–1.41) | 1.41 ±0.23 (1.33–1.48) | 0.34 |
| WMSI at peak dose | 1.21 ±0.18 (1.27–1.15) | 1.27 ±0.2 (1.2–1.34) | 0.32 |
| WMSI increase | 0.15 ±0.09 (0.12–0.18) | 0.17 ±0.24 (0.09–0.25) | 0.58 |
| Maximum dobutamine dose | 19.7 ±4.6 (18–21) | 22.7 ±7.0 (20–25) | 0.052 |
| Duration of dobutamine test | 11.3 ±2.5 (10–12) | 12.1 ±3.3 (11–13) | 0.35 |
| Resting heart rate | 68 ±10 (65–72) | 64 ±10 (60–61) | 0.06 |
| Resting blood pressure | 116 ±15 (111–121)/67 ±9 (64–70) | 126 ±12 (121–130)/71 ±10 (68–74) | 0.009/0.11 |
| Heart rate at peak dose | 82 ±18 (75–87) | 87 ±23 (79–94) | 0.31 |
| Blood pressure at peak dose | 131 ±23 (123–138)/70 ±12 (66–70) | 149 ±24 (141–157)/71 ±12 (67–75) | 0.005/0.73 |
| Contrast agent dose per patient [ml] | 5.4 | – | – |