Table 2 Test-retest reproducibility analysis of tagging and 2D/3D CMR-TT
Total study group (n = 19) | Intraclass correlation coefficient (95% CI) | Bland-Altman analysis | |
|---|---|---|---|
Mean bias (%) | LOA | ||
Tagging | |||
 Ecc (%) | 0.83** (0.32/0.96) | 1.30 | −3.90/6.40 |
 tEcc (s) | 0.96** (0.82/0.99) | 0.01 | −0.03/0.05 |
 CSR (%/s) | 0.92** (0.64/0.98) | −4.30 | −48.70/40.00 |
 Ell (%) | 0.73* (−0.03/0.94) | 1.10 | −2.10/4.40 |
 tEll (s) | 0.93** (0.71/0.98) | 0.01 | −0.04/0.05 |
 LSR (%/s) | 0.66*(−0.20/0.92) | −13.60 | −61.10/33.80 |
2D CMR-TT | |||
 Ecc (%) | 0.77* (−0.01/0.95) | 1.70 | −5.40/8.80 |
 tEcc (s) | 0.53 (−1.58/0.90) | 0.00 | −0.06/0.06 |
 CSR (%/s) | 0.86** (0.36/0.97) | −21.70 | −99.90/56.50 |
 Ell (%) | 0.90** (0.55/0.98) | 1.60 | −2.50/5.60 |
 tEll (s) | 0.31 (−2.07/0.84) | 0.04 | −0.12/0.19 |
 LSR (%/s) | 0.87** (0.43/0.97) | −31.10 | −88.60/26.40 |
3D CMR-TT | |||
 Ecc (%) | 0.62 (−0.66/0.91) | 1.30 | −7.50/10.10 |
 tEcc (s) | 0.84** (0.27/0.97) | 0.00 | −0.04/0.05 |
 CSR (%/s) | 0.71 (−0.18/0.93) | −20.20 | − 133.00/92.50 |
 Ell (%) | 0.77* (0.05/0.95) | 0.90 | −4.50/6.30 |
 tEll (s) | −0.28 (−3.43/0.69) | − 0.02 | −0.08/0.05 |
 LSR (%/s) | 0.26 (−1.52/0.83) | −22.90 | − 118.6/72.80 |