Table 2 Inter-study reproducibility.

From: Inter-study reproducibility of cardiovascular magnetic resonance-derived hemodynamic force assessments

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)

  1. CI confidence interval, ICC intraclass correlation coefficient, LV left ventricular, RMS root mean square, SD standard deviation, GLS global longitudinal strain, LVEF LV ejection fraction.