Exhaled Nitric Oxide in Systemic Sclerosis Lung Disease

Table 6

Correlation between alveolar NO, conducting airway NO, and mean pulmonary artery pressure.

Group	mPAP to	mPAP to
SSc-PAH	0.42 (−0.48, 0.89)	0.34 (−0.56, 0.87)
SLE-PAH	0.47 (−0.55, 0.93)	0.36 (−0.64, 0.91)
IPAH	−0.06 (−0.70, 0.63)	0.38 (−0.37, 0.83)

Note. Only subjects with PAH underwent right heart catheterization.