|  | Pearson (r) | Mean difference (95%CI) | P value | Absolute mean difference (95%CI) | Kappa# | ICC |
---|---|---|---|---|---|---|---|
2D-PISA vs. CMR | RVol | 0.837 | 15.8 (9.9 to 21.6) |  < 0.001 | 22.1 (18 to 26.1) |  | 0.905 |
RF | 0.834 | 5.9 (3.2 to 8.7) |  < 0.001 | 9.9 (8.3 to 11.6) | 0.571* | 0.909 | |
2D-PISA vs. 4DFind | RVol | 0.633 | 17.2 (8.4 to 25.9) |  < 0.001 | 28.8 (22.8 to 34.8) |  | 0.772 |
RF | 0.747 | 4.9 (1.6 to 8.2) | 0.005 | 10.9 (8.9 to 12.9) | 0.510* | 0.853 | |
2D-PISA vs. 4DFdir | RVol | 0.586 | 27.9 (19.1 to 36.8) |  < 0.001 | 33 (25.9 to 40.1) |  | 0.703 |
RF | 0.511 | 10.1 (5.4 to 14.7) |  < 0.001 | 15.4 (12.3 to 18.5) | 0.276* | 0.676 | |
CMR vs. 4DFind | RVol | 0.739 | 1.1 (− 5.7 to 7.8) | 0.757 | 16.6 (11.4 to 21.8) |  | 0.850 |
RF | 0.840 | − 1.2 (− 4.0 to 1.6) | 0.397 | 7.9 (6.0 to 9.9) | 0.542 | 0.913 | |
CMR vs. 4DFdir | RVol | 0.763 | 11 (4.5 to 17.4) | 0.001 | 18.5 (13.8 to 23.2) | Â | 0.842 |
RF | 0.641 | 3.3 (− 0.9 to 7.4) | 0.119 | 10.7 (7.9 to 13.5) | 0.383 | 0.780 | |
4DFind vs. 4DFdir | RVol | 0.764 | 9.2 (2.4 to 16) | 0.009 | 16.3 (10.8 to 21.8) | Â | 0.834 |
RF | 0.472 | 4.4 (− 0.4 to 9.3) | 0.069 | 11.8 (8.2 to 15.3) | 0.277 | 0.641 |