Table 3. Intra- and inter-observer reproducibility using Medis prior to and after training.
Software: Medis | Strain | Mean Difference (SD of the Diff.) | ICC (95% CI) | CoV (%) |
---|---|---|---|---|
Intra-observer | LV GLS % | -0.04 (1.91) | 0.94 (0.86–0.97) | 10.2 |
before Training | GCS % | -0.97 (3.31) | 0.93 (0.83–0.97) | 12.7 |
GRS % | -0.82 (10.9) | 0.86 (0.68–0.94) | 23.0 | |
RV GLS % | 0.37 (2.59) | 0.89 (0.75–0.95) | 11.7 | |
Intra-observer | LV GLS % | -0.09 (1.36) | 0.96 (0.91–0.98) | 6.8 |
after Training | GCS % | -1.22 (1.43) | 0.98 (0.86–0.99) | 5.4 |
GRS % | 2.11 (8.0) | 0.84 (0.63–0.93) | 18.7 | |
RV GLS % | -0.07 (3.22) | 0.76 (0.44–0.90) | 13.9 | |
Inter-observer | LV GLS % | -0.72 (2.92) | 0.81 (0.56–0.92) | 15.8 |
before Training | GCS % | 2.95 (4.26) | 0.86 (0.54–0.95) | 15.2 |
GRS % | -6.49 (13.25) | 0.73 (0.37–0.88) | 26.3 | |
RV GLS % | 3.06 (3.54) | 0.70 (0.08–0.89) | 15.0 | |
Inter-observer | LV GLS % | 0.04 (1.61) | 0.95 (0.88–0.98) | 8.1 |
after Training | GCS % | 2.85 (2.48) | 0.92 (0.33–0.98) | 8.7 |
GRS % | -13.97 (11.25) | 0.64 (0–0.88) | 22.2 | |
RV GLS % | 3.33 (4.72) | 0.58 (0.02–0.82) | 19.1 |
SD: standard deviation. ICC: intraclass correlation coefficient. CoV: coefficient of variation. LV: left ventricular. RV: right ventricular. GLS: global longitudinal strain. GCS: global circumferential strain. GRS: global radial strain.