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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: NOX4 expression and distal arteriolar remodeling correlate with pulmonary hypertension in COPD

Fig. 3

Correlations between the volume of distal pulmonary arteries and cMRI findings and pulmonary functions. a The correlation between WA% and mPAD% (r = − 0.42,P < 0.05); (b) the correlation between WT% and mPAD% (r = − 0.50,P < 0.01); (c) the correlation between WA% and RVMES (r = 0.34,P < 0.05); (d) the correlation between WA% and RVMED (r = 0.37,P < 0.05); (e) the correlation between WT% and RVMES (r = 0.45,P < 0.01); (f) the correlation between WT% and RVMED (r = 0.52,P < 0.01); (g) the correlation between WA% and RF% (r = 0.27,P = 0.13); (h) the correlation between WT% and RF (r = 0.49,P < 0.01); (i) the correlation between WA% and FEV1/FVC (r = − 0.35,P < 0.05); (j) the correlation between WA% and FEV1%pred (r = − 0.35,P < 0.05); (k) the correlation between WT% and FEV1/FVC (r = − 0.54, P < 0.05); (l) the correlation between WT% and FEV1%pred (r = − 0.51, P < 0.05). FEV1/FVC: forced expiratory volume in one second/ forced vital capacity; FEV1%pred: forced expiratory volume in one second total predicted value; mPAD%: the main pulmonary artery distensibility; RF%: regurgitant fraction; RVMED: right ventricular myocardial mass end-diastolic; RVMES: right ventricular myocardial mass end-systolic; WA%: the pulmonary artery smooth muscle area accounted for the percentage of total vascular area; WT%: the pulmonary artery smooth muscle thickness accounted for the percentage of vascular diameter

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