Table 2 Inter-study reproducibility.
Variable | Mean difference ± SD | Coefficient of variation (%) | ICC (95% CI) |
|---|---|---|---|
LV longitudinal force (RMS) (%) | 2.5 (± 3.4) | 15.8 | 0.83 (0.3–0.96) |
Systolic peak (%) | 6.8 (± 9.7) | 15.6 | 0.84 (0.37–0.96) |
Systolic impulse (%) | 3.9 (± 5.5) | 15.2 | 0.8 (0.2–0.95) |
LV systolic/diastolic transition (%) | 0.4 (± 2.2) | 21.5 | 0.83 (0.36–0.95) |
Diastolic deceleration (%) | 0.9 (± 1.8) | 22.2 | 0.92 (0.7–0.98) |
Atrial thrust (%) | 0.4 (± 1.0) | 30.9 | 0.85 (0.46–0.96) |
Diastolic deceleration/atrial thrust (%) | 0.04 (± 0.7) | 25.9 | 0.94 (0.79–0.99) |
LV global longitudinal strain (GLS) (%) | 0.1 (± 2.1) | 10.3 | 0.86 (0.45–0.96) |
LV ejection fraction (LVEF) (%) | 0.6 (± 2.8) | 3.1 | 0.91 (0.67–0.97) |