Diagnostic value of 3D volume measurement of central pulmonary artery based on CTPA images in the pulmonary hypertension

Table 3 ROC curve for the identification of PH based on CTPA measurements

	cutoff value	AUC	95% CI	sensitivity	specificity	PPV	NPV	Accuracy
D_MPA (mm)	29.300	0.906	0.832~0.990	0.853	0.833	0.904	0.764	0.687
A_MPA (mm²)	803.005	0.908	0.827~0.984	0.805	0.889	0.904	0.764	0.694
V_MPA (mm³)	38853.430	0.934	0.887~0.999	0.805	1.000	0.881	0.722	0.805
D_RPA (mm)	22.900	0.822	0.713~0.932	0.667	0.889	0.761	0.583	0.556
A_RPA (mm²)	499.998	0.812	0.705~0.928	0.564	1.000	0.795	0.642	0.564
V_RPA (mm³)	39564.981	0.906	0.839~0.985	0.718	1.000	0.860	0.706	0.718
D_LPA (mm)	20.750	0.802	0.681~0.921	0.657	0.889	0.734	0.555	0.546
A_LPA (mm²)	417.252	0.776	0.668~0.909	0.552	0.944	0.705	0.428	0.517
V_LPA (mm³)	27277.279	0.753	0.629~0.898	0.684	0.778	0.782	0.667	0.462

Abbreviations: ROC, receiver operator characteristic; AUC, areas under the curve; PPV, positive predictive value; NPV, negative predictive value; D_MPA, diameter of main pulmonary artery; A_MPA, cross-sectional area of main pulmonary artery; V_MPA, volume of main pulmonary artery; D_RPA, diameter of right pulmonary artery; A_RPA, cross-sectional area of right pulmonary artery; V_RPA, volume of right pulmonary artery; D_LPA, diameter of left pulmonary artery; A_LPA, cross-sectional area of left pulmonary artery; V_LPA, volume of left pulmonary artery; CI, confidential interval

ISSN: 1471-2342