Table 4 Mean absolute difference of DTI indices between 1.5 T and 3.0 T
From: The comparison of diffusion tensor imaging in human hearts between 1.5 T and 3.0 T
b-value (s/mm2) | Fractional anisotropy | Mean diffusivity (mm2/s) | Helix angle(degrees) | E2 angle (degrees) |
|---|---|---|---|---|
200 | − 0.020 (− 0.178, 0.137) | − 0.00001 (− 0.00042, 0.00044) | 1.95 (− 9.57, 13.46) | − 1.60 (− 15.80, 12.61) |
400 | − 0.025 (− 0.137, 0.087) | 0.000005 (− 0.00018, 0.00019) | 1.93 (− 6.63, 10.49) | − 1.17 (− 14.23, 12.00) |
600 | − 0.023 (− 0.120, 0.075) | − 0.00003 (− 0.00009, 0.00014) | 1.86 (− 4.98, 8.71) | − 0.45 (− 15.08, 14.17) |
800 | − 0.023 (− 0.117, 0.071) | − 0.00002 (− 0.00008, 0.00012) | 1.63 (− 3.69, 6.95) | − 0.98 (− 13.94, 11.98) |
1000 | − 0.013 (− 0.060, 0.033) | − 0.00001 (− 0.00007, 0.00010) | 1.10 (− 4.44, 6.65) | − 0.41 (− 13.09, 12.27) |
b-value (s/mm2) | Transverse angle (degrees) | Helix angle transmural gradient (degrees/%trans) |
|---|---|---|
200 | 1.77 (− 11.64, 15.17) | − 0.063 (− 0.538, 0.411) |
400 | 0.31 (− 10.61, 11.22) | − 0.021 (− 0.412, 0.370) |
600 | − 0.23 (− 9.93, 9.47) | − 0.003 (− 0.354, 0.348) |
800 | − 0.065 (− 9.78, 9.66) | − 0.007 (− 0.385, 0.371) |
1000 | 0.46 (− 10.64, 11.57) | 0.002 (− 0.388, 0.392) |