Table 4 Interstudy bias, interstudy variability, and correlation coefficient
Inter study reproducibility (bias ± 1.96xSD) between field strengths | coefficient of variation | Correlation coefficient | ||
|---|---|---|---|---|
LVEDV | All | 0.4 ± 18.6 mL (− 18.4 mL to 18.8 mL) | 3.3% | 0.99 |
Breath-held | 0.0 ± 20.6 mL (−20.6 mL to 20.6 mL) | 4.5% | 0.98 | |
Free-breathing | 0.9 ± 15.9 mL (−15.0 mL to 16.9 mL) | 2.3% | 0.99 | |
LVESV | All | 1.3 ± 14.8 mL (−13.5 mL to 16.2 mL) | 5.3% | 0.98 |
Breath-held | 1.3 ± 18.2 mL (−16.9 mL to 19.5 mL) | 6.4% | 0.98 | |
Free-breathing | 1.4 ± 9.0 mL (−7.7 mL to 10.4 mL) | 3.7% | 0.99 | |
LVED Mass | All | 0.4 ± 11.2 g (−10.8 g to 11.5 g) | 2.9% | 0.99 |
Breath-held | 0.1 ± 12.9 g (−12.8 g to 12.9 g) | 3.2% | 0.99 | |
Free-breathing | 0.7 ± 8.6 g (−7.9 g to 9.3 g) | 2.5% | 0.99 | |
LVES Mass | All | 1.3 ± 13.2 g (−11.8 g to 14.6 g) | 3.0% | 0.99 |
Breath-held | 2.2 ± 14.9 g (−12.7 g to 17.1 g) | 3.6% | 0.99 | |
Free-breathing | 0.2 ± 10.4 g (−10.2 g to 10.5 g) | 2.3% | 0.99 | |
LVSV | All | −1.0 ± 17.1 mL (−18.0 mL to 16.1 mL) | 5.1% | 0.95 |
Breath-held | −1.2 ± 19.4 mL (− 10.6 mL to 18.2 mL) | 6.2% | 0.89 | |
Free-breathing | -0.7 ± 13.8 mL (−14.4 mL to 13.1 mL) | 3.6% | 0.98 | |
LVEF | All | −0.8 ± 7.2% (−8.0 to 6.4%) | 5.8% | 0.91 |
Breath-held | −0.9 ± 8.9%(−9.8 to 8%) | 6.3% | 0.91 | |
Free-breathing | −0.6 ± 4.15% (−4.8 to 3.5%) | 5.1% | 0.88 | |
RVEDV | All | −1.6 ± 18.5 mL (−20 mL to 16.9 mL) | 2.9% | 0.98 |
Breath-held | -1.6 ± 16.0 mL (−17.6 mL to 14.4 mL) | 2.6% | 0.95 | |
Free-breathing | −1.5 ± 21.7 mL (−23.1 mL to 20.2 mL) | 3.3% | 0.98 | |
RVESV | All | −1.2 ± 11.7 mL (− 12.9 mL to 10.5 mL) | 5.4% | 0.97 |
Breath-held | −0.5 ± 11.7 mL (− 12.2 mL to 11.2 mL) | 5.1% | 0.95 | |
Free-breathing | −2.2 ± 11.7 mL (−13.9 mL to 9.5 mL) | 5.8% | 0.98 | |
RVSV | All | −0.2 ± 19.7 mL (−19.9 mL to 19.5 mL) | 5.7% | 0.92 |
Breath-held | 0.1 ± 17.7 mL (−18.3 mL to 17.1 mL) | 5.4% | 0.86 | |
Free-breathing | 0.3 ± 22.4 mL (−22.1 mL to 22.7 mL) | 6.0% | 0.94 | |
RVEF | All | −0.1 ± 7.7% (−8.0 to 7.8%) | 4.0% | 0.82 |
Breath-held | −0.6 ± 7.4% (−7.5 to 7.3%) | 3.9% | 0.97 | |
Free-breathing | 0.0 ± 8.6% (−8.6 to 8.6%) | 4.2% | 0.69 | |