Table 1 The average values for SENC peak circumferential systolic strain estimates of the RV free wall.
Region/Observer | Average SENC peak systolic strain estimate (± SD) measured by the 1st observer | Average SENC peak systolic strain estimate (± SD) measured by the 1st observer (second time) | Average SENC peak systolic strain estimate (± SD) measured by the second observer | Average SPAMM peak systolic strain estimate (± SD) (P value) |
|---|---|---|---|---|
Basal segment of RV free wall | -20.7% (± 2.8) | -20.4% (± 2.8) | -19.9% (± 2.9) | -18.8% (± 2.5) (P = 0.03) |
Middle segment of RV free wall | -19.1% (± 3.3) | -19.0% (± 3.4) | -19.6% (± 3.8) | -18.5% (± 2.7) (P = 0.35) |
Apical segment of RV free wall | -16.9% (± 4.8) | -16.7% (± 5.1) | -17.8% (± 4.6) | -18.3% (± 3) (P = 0.08) |