Table 2.
Distribution of measurements of mean net flow and peak velocity in the different 4D flow sequences GRAPPA and k-t GRAPPA in different measuring planes with p-value, correlation coefficient and limits of agreement.
| Net flow [ml/cycle] | peak velocity [m/sec] | |||||||
|---|---|---|---|---|---|---|---|---|
| GRAPPA [ml/cycle] | k-t GRAPPA [ml/cycle] | Correlation coefficient R/p-value | Limits of agreement (LOA) | GRAPPA [ml/cycle] | k-t GRAPPA [ml/cycle] | Correlation coefficient R/p-value | Limits of agreement (LOA) | |
| Ascending Aorta |
83.54 (±25.03) |
88.14 (±26.21) |
0.94/<0.0001 | −22.9–12.4 |
1.21 (±0.29) |
1.18 (±0.31) |
0.60/<0.0001 | −0.61–0.64 |
| Aortic Arch |
67.34 (±20.75) |
68.5 (±21.19) |
0.92/<0.0001 | −18.6–15.1 |
1.1 (±0.32) |
1.01 (±0.29) |
0.65/<0.0001 | −0.42–0.64 |
| Descending Aorta |
50.26 (±17.12) |
49.56 (±17.38) |
0.87/<0.0001 | −17.3–17.9 |
1.0 (±0.34) |
0.93 (±0.44) |
0.91/<0.0001 | −0.31–0.44 |
| Descending Aorta - level of diaphragm |
42.37 (±18.76) |
40.1 (±18.6) |
0.83/<0.0001 | −21.7–24.2 |
1.06 (±0.35) |
0.92 (±0.34) |
0.55/ <0.0001 |
−0.52–0.78 |
The given p-values refer to the significance of the correlations.