Table 4 Intra- and inter-observer reproducibility of the measurements of myocardial and skeletal mapping characteristics in IIM patients
| Â | Bias | 95% LOA | CoV (%) | ICC |
|---|---|---|---|---|
Intra-observer | ||||
 Native T1-myo (ms) | −4.7 | (− 34.5–25.1) | 0.86 | 0.99 |
 T2 mapping-myo (ms) | 0.3 | (−1.3–1.8) | 1.28 | 0.99 |
 ECV-myo (%) | −0.4 | (− 2.2–1.3) | 2.19 | 0.99 |
 Native T1-sk (ms) | − 9.0 | (−83.5–65.5) | 2.12 | 0.98 |
 T2 mapping-sk (ms) | −0.2 | (− 2.6–2.1) | 2.81 | 0.96 |
 ECV-sk (%) | −0.1 | (−2.7–2.6) | 2.71 | 0.99 |
Inter-observer | ||||
 Native T1-myo (ms) | −5.1 | (−39.2–29.0) | 0.98 | 0.98 |
 T2 mapping-myo (ms) | 0.3 | (−1.5–2.1) | 1.51 | 0.98 |
 ECV-myo (%) | −0.2 | (−1.8–1.3) | 1.80 | 0.98 |
 Native T1-sk (ms) | −10.8 | (−126.6–118.3) | 3.52 | 0.93 |
 T2 mapping-sk (ms) | −0.2 | (−3.8–3.2) | 4.43 | 0.91 |
 ECV-sk (%) | 0.3 | (−2.7–3.4) | 3.17 | 0.99 |