Table 3.
Intervendor agreement and reproducibility for torsion, circumferential and radial strain based on the average of three repeated measurements (R3).
| TomTec versus Circle |
TomTec |
Circle |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean Difference (SD) | ICC (95%CI) | CoV (%) | Mean Difference (SD) | ICC (95%CI) | CoV (%) | Mean Difference (SD) | ICC (95%CI) | CoV (%) | ||
| Intra-observer | Global torsion (°/cm) | 0.77 (1.19) | 0.81 (0.63-0.9) | 35.08 | 0.02 (1.06) | 0.86 (0.72-0.93) | 28.99 | 0.1 (0.71) | 0.88 (0.77-0.94) | 22.43 |
| TPK global torsion (ms) | 16.05 (105.67) | 0.36 (0-0.64) | 38.2 | 4.25 (59.4) | 0.78 (0.59-0.89) | 21.32 | 31.32 (72.04) | 0.67 (0.41-0.83) | 27.12 | |
| Global Ecc (%) | 4.84 (2.71) | 0.81 (0.63-0.91) | 12.47 | 0.09 (0.65) | 0.99 (0.99-1.00) | 2.69 | 0.2 (1.25) | 0.93 (0.85-0.97) | 6.75 | |
| TPK global Ecc (ms) | 3.73 (20.89) | 0.96 (0.92-0.98) | 8.28 | 0.89 (3.5) | 1.00 (1.00-1.00) | 1.4 | 1.13 (7.61) | 1.00 (0.99-1.00) | 3.01 | |
| Global Err (%) | 1.42 (12.2) | 0.32 (0-0.61) | 30.71 | 2.07 (3.95) | 0.93 (0.85-0.96) | 10.01 | 0.22 (3.4) | 0.96 (0.92-0.98) | 8.51 | |
| TPK global Err (ms) | 8.41 (24.9) | 0.94 (0.88-0.97) | 9.89 | 2.05 (14.38) | 0.98 (0.95-0.99) | 5.8 | 2.17 (11.03) | 0.99 (0.98-1.00) | 4.29 | |
| Interobserver | Global torsion (°/cm) | 0.66 (1.42) | 0.84 (0.65-0.92) | 42.73 | 0.12 (0.99) | 0.94 (0.87-0.97) | 26.83 | 0.13 (0.98) | 0.89 (0.77-0.95) | 32.14 |
| TPK global torsion (ms) | 7.92 (102.07) | 0.55 (0.04-0.79) | 37.45 | 8.13 (58.63) | 0.9 (0.78-0.95) | 20.89 | 12.7 (90.99) | 0.70 (0.37-0.86) | 33.09 | |
| Global Ecc (%) | 4.82 (3.1) | 0.87 (0.72-0.94) | 14.3 | 0.02 (1.06) | 0.99 (0.98-1.00) | 4.4 | 0.82 (1.09) | 0.97 (0.94-0.99) | 5.78 | |
| TPK global Ecc (ms) | 3.46 (20.42) | 0.98 (0.96-0.99) | 8.09 | 0.27 (3.59) | 1.00 (1.00-1.00) | 1.43 | 1.69 (8.08) | 1.00 (1.00-1.00) | 3.19 | |
| Global Err (%) | 0.11 (13.04) | 0.47 (0-0.75) | 32.2 | 1.54 (5.3) | 0.92 (0.83-0.96) | 13.32 | 0.39 (3.86) | 0.98 (0.95-0.99) | 9.59 | |
| TPK global Err (ms) | 9.21 (31.81) | 0.95 (0.9-0.98) | 12.65 | 0.81 (15.74) | 0.99 (0.97-0.99) | 6.37 | 2.19 (7.34) | 1.00 (1.00-1.00) | 2.85 | |
Results are reported as mean (SD).
ICC, intraclass-correlation coefficient; CoV, coefficient of variation; SD, standard deviation; CI, confidence interval. Other abbreviations as in Table 2.