Role of Circulating miRNAs as Biomarkers in Idiopathic Pulmonary Arterial Hypertension: Possible Relevance of miR-23a

Table 4

Multiple correlation analysis of pulmonary function parameters and miRNA expression.

	6MWT (m)		Age (years)		PAP (mmHg)		CI (L/min/m^2)		PVR (dyn/sec/cm^2)
	value	Pearson	value	Pearson	value	Pearson	value	Pearson	value	Pearson
miR27a	0.0082	0.452	NS		NS		NS		NS
miR23a	NS		0.0187	−0.44	0.0001	−0.618	0.0055	0.607	0,0426	0.795
miR199a	0.0459	0.651	NS		0.0474	0.753	NS		NS
miR744	NS		NS		NS		NS		0.0124	0.851

6MWT: 6-minute walk test, PAP: pulmonary arterial pressure, CI: cardiac index, PVR: pulmonary vascular resistance, and NS: nonsignificant.