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Pearson's correlation of PVR and Pulmonary Zc according to PH subclass
| Control | All PH | PreCPH | IpcPH | CpcPH | |
|---|---|---|---|---|---|
| PVR (dyne.s.cm−5) | 0.04; R 2 = 0.53 | P < 0.001; R 2 = 0.78 | P < 0.001; R 2 = 0.94 | 0.03; R 2 = 0.55 | 0.01; R 2 = 0.77 |
| Pulmonary Zc (dyne.s.cm−5) | 0.58; R 2 = −0.15 | 0.87; R 2 = −0.03 | P < 0.001; R 2 = 0.78 | 0.64; R 2 = −0.13 | 0.17; R 2 = 0.45 |
mPAP, mean pulmonary artery pressure; PH, pulmonary hypertension; PVR, pulmonary vascular resistance; Zc, characteristic impedance.
