Table 4. – Reproducibility for LV ejection fraction, TAPSE and coronary artery internal diameter.
| Parameter | Bias | 95% limits of agreement | ICC |
|---|---|---|---|
| Intraobserver variability | |||
| LVEF (%) | 0.2 | -1.82 a 2.22 | 1 |
| TAPSE (cm) | -0.09 | -0.42 a 0.24 | 0.92 |
| LMCA (mm) | 0 | -0.01 a 0.02 | 0.9 |
| LDCA (mm) | 0 | -0.01 a 0.01 | 1 |
| LCCA (mm) | 0 | -0.02 a 0.01 | 0.95 |
| RCA (mm) | 0 | -0.01 a 0.01 | 0.98 |
| Interobserver variability | |||
| LV ejection fraction (%) | 0.4 | -3.95 a 4.75 | 0.98 |
| TAPSE (cm) | -0.08 | -0.49 a 0.33 | 0.85 |
| LMCA (mm) | 0.01 | -0.01 a 0.02 | 0.9 |
| LDCA (mm) | 0 | -0.02 a 0.02 | 1 |
| LCCA (mm) | 0 | -0.02 a 0.03 | 0.99 |
| RCA (mm) | 0 | -0.02 a 0.01 | 0.98 |
LVEF: left ventricular ejection fraction; TAPSE: tricuspid annular plane systolic excursion; LMCA: left main coronary artery; LDCA: left descending coronary artery; LCCA: left circumflex coronary artery; RCA: right coronary artery.