. 2019 Jun 2;2019:6025931. doi: 10.1155/2019/6025931

Table 3.

ROC curve analysis of PAOI and different RA and LA measurements.

					90%	Sensitivity
	AUC	95%	CI	P Value	Cut-off	Specificity
LA Long Diameter, cm	0.634	0.512 -	0.756	0.035	5.32	75.0
LA Short Diameter, cm	0.665	0.548 -	0.782	0.009	2.83	77.8
LA Height, cm	0.426	0.303 -	0.548	0.241	3.95	94.4
LA Area, cm²	0.675	0.554 -	0.796	0.006	13.06	69.4
LA Volume, cm³	0.609	0.487 -	0.731	0.086	33.09	80.6

RA Long Diameter, cm	0.693	0.577 -	0.809	0.002	4.07	55.6
RA Short Diameter, cm	0.624	0.502 -	0.747	0.050	4.14	83.3
RA Height, cm	0.550	0.428 -	0.672	0.431	5.75	88.9
RA Area, cm²	0.724	0.609 -	0.839	<0.001	15.61	58.3
RA Volume, cm³	0.709	0.594 -	0.824	0.001	62.83	58.3

RA to LA Long Diameter Ratio	0.610	0.489 -	0.731	0.083	0.60	83.3
RA to LA Short Diameter Ratio	0.432	0.309 -	0.554	0.282	0.98	94.4
RA to LA Height Ratio	0.572	0.451 -	0.693	0.259	1.08	88.9
RA to LA Area Ratio	0.553	0.430 -	0.676	0.406	0.69	88.9
RA to LA Volume Ratio	0.548	0.426 -	00.670	0.446	0.78	100

Abbreviations: AUC: area under the curve; CI: confidence interval; cm: centimeter; LA: left atrium; PAOI: pulmonary artery obstruction index; RA: right atrium.