TTE vs. 2D cine | CuCo max | CuCu max | TTE vs. 3D self nav | CuCo max | CuCu max |
---|---|---|---|---|---|
Observer 1 | Observer 1 | ||||
Mean diameter TTE (mm) | 37.2 | 36.0 | Mean diameter TTE (mm) | 37.0 | 36.0 |
Mean diameter 2D cine (mm) | 36.6 | 38.4 | Mean diameter 3D self nav (mm) | 37.4 | 39.9 |
Mean difference (mm) | − 0.6 | 2.3 | Mean difference (mm) | 0.4 | 3.9 |
Limits of agreement (mm) | − 7.4 to 6.2 | − 4.4 to 9.1 | Limits of agreement (mm) | − 8.0 to 8.7 | − 3.5 to 11.3 |
Standard deviation (mm) | 3.5 | 3.4 | Standard deviation (mm) | 4.2 | 3.8 |
Variance (mm2) | 12.1 | 11.8 | Variance (mm2) | 18.0 | 14.3 |
Pearson’s correlation (r) | 0.972 | 0.903 | Pearson’s correlation (r) | 0.882 | 0.881 |
P value (t-test) | 0.247 | < 0.001 | P value (t-test) | 0.564 | < 0.001 |
Observer 2 | Observer 2 | ||||
Mean diameter TTE (mm) | 36.9 | 36.6 | Mean diameter TTE (mm) | 36.6 | 36.6 |
Mean diameter 2D cine (mm) | 36.1 | 38.4 | Mean diameter 3D self nav (mm) | 37.8 | 39.9 |
Mean difference (mm) | − 0.8 | 1.8 | Mean difference (mm) | 1.1 | 3.4 |
Limits of agreement (mm) | − 9.7 to 8.2 | − 6.0 to 9.6 | Limits of agreement (mm) | − 5.9 to 8.2 | − 3.1 to 9.9 |
Standard deviation (mm) | 4.6 | 4.0 | Standard deviation (mm) | 3.6 | 3.3 |
Variance (mm2) | 20.8 | 15.9 | Variance (mm2) | 12.8 | 10.9 |
Pearson’s correlation (r) | 0.881 | 0.869 | Pearson’s correlation (r) | 0.932 | 0.914 |
P value (t-test) | 0.532 | 0.065 | P value (t-test) | 0.221 | < 0.001 |