The accuracy and influencing factors of Doppler echocardiography in estimating pulmonary artery systolic pressure: comparison with right heart catheterization: a retrospective cross-sectional study

Table 3 Receiver operating characteristic curve analysis of DE parameters for detecting PH (mPAP ≥ 25 mmHg)

	AUC	Cut-off value	Sensitivity (%)	Specificity (%)	Accuracy (%)	PPV (%)	NPV (%)
sPAP_ECHO	0.981	49.5 mmHg	94.9	85.7	94.0	98.4	64.3
TR Vmax	0.977	350.0 cm/s	91.9	90.5	91.7	98.9	54.3
TR-PG	0.978	46.5 mmHg	94.4	85.7	93.6	98.4	62.1
mPAP_ECHO	0.956	30.6 mmHg	94.4	84.6	93.7	98.8	52.4
TR-mPG	0.945	27.6 mmHg	92.7	84.6	92.2	98.8	45.8

PPV Positive predictive value; NPV Negative predictive value; sPAP_ECHO: pulmonary systolic pressure estimated by echocardiography; TR Vmax: maximum velocity of tricuspid regurgitation; TR-PG tricuspid regurgitation pressure gradient; mPAP_ECHO mean pulmonary artery pressure estimated by echocardiography; TR-mPG tricuspid regurgitation mean pressure gradient

ISSN: 1471-2342