Table 5 Intra-observer agreement and reproducibility.
Structural interventionalist | Imaging specialist | Cardiac surgeon | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean Difference (SD) | ICC (95%CI) | COV (%) | Mean Difference (SD) | ICC (95%CI) | COV (%) | Mean Difference (SD) | ICC (95%CI) | COV (%) | |
Intra-observer | |||||||||
Area [mm2] | 0.57 (7.63) | 0.999 (0.998–1.000) | 1.52 | − 6.45 (35.45) | 0.980 (0.950–0.992) | 6.7 | 27.02 (33.27) | 0.973 (0.856–0.992) | 6.13 |
Area derived diameter [mm] | 0.00 (0.21) | 0.999 (0.997–1.000) | 0.83 | − 0.14 (0.89) | 0.976 (0.939–0.990) | 3.45 | 0.68 (0.83) | 0.966 (0.815–0.989) | 3.16 |
Avg. diameter [mm] | 0.12 (0.41) | 0.994 (0.986–0.998) | 1.62 | − 0.30 (1.03) | 0.967 (0.917–0.987) | 3.95 | 0.69 (0.71) | 0.972 (0.770–0.992) | 2.68 |
Perimeter [mm] | -0.01 (0.69) | 0.999 (0.997–0.999) | 0.86 | − 0.48 (3.07) | 0.970 (0.926–0.988) | 3.73 | 2.1 (2.81) | 0.962 (0.829–0.988) | 3.36 |
SOV average diameter [mm] | -0.21 (0.62) | 0.996 (0.989–0.998) | 1.85 | − 0.04 (0.42) | 0.998 (0.995–0.999) | 1.24 | 0.07 (0.60) | 0.996 (0.989–0.998) | 1.79 |
General physician | Medical student | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Mean Difference (SD) | ICC (95% CI) | COV (%) | Mean Difference (SD) | ICC (95%CI) | COV (%) | ||||
Intra-observer | |||||||||
Area [mm2] | − 11.52 (71.95) | 0.935 (0.837–0.974) | 13.54 | − 3.41 (61.39) | 0.958 (0.893–0.983) | 10.71 | |||
Area derived diameter [mm] | − 0.06 (0.81) | 0.983 (0.957–0.993) | 3.13 | − 0.07 (1.46) | 0.949 (0.870–0.980) | 5.45 | |||
Average diameter [mm2] | 0.14 (0.96) | 0.976 (0.940–0.991) | 3.66 | 0.02 (1.34) | 0.957 (0.891–0.983) | 4.99 | |||
Perimeter [mm2] | 0.66 (2.93) | 0.997 (0.944–0.991) | 3.51 | 4.33 (8.00) | 0.823 (0.518–0.932) | 9.01 | |||
SOV average diameter [mm] | 0.23 (0.98) | 0.988 (0.971–0.995) | 2.96 | 0.12 (0.89) | 0.990 (0.976–0.996) | 2.65 | |||