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Table 4 Linear regression of transverse and longitudinal parameters, and RVEF in PH patients.

From: Right ventricular ejection fraction is better reflected by transverse rather than longitudinal wall motion in pulmonary hypertension

  level R2
Transverse movements
fractional-SFD apex-1 0.30*
  2 0.39*
  3 0.55*
  mid-4 0.70*
  5 0.66*
  6 0.51*
  base-7 0.32*
SFD apex-1 0.30*
  2 0.35*
  3 0.48*
  mid-4 0.62*
  5 0.55*
  6 0.37*
  base-7 0.17*
Longitudinal movements
fractional-TAAD - 0.27*
TAPSE - 0.21*
RV area change
AC - 0.25*
fractional-AC - 0.76*
  1. Data are determined in PH patients only. Values are mean. RV area change (AC) and fractional AC are determined in 4-chamber view.
  2. * Significantly lower compared to control subjects (P < 0.001).