At the cut‐off limit of 3 WU, by using Kaplan–Meier analysis, only PVR M was significantly prognostic for death ( P = 0.016), while PVR QRS and PVR mid‐A/130 did not reach statistical significance ( P = 0.151 and P = 0.061, respectively).
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Critical appraisal of the instantaneous end-diastolic pulmonary arterial wedge pressures.
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