Exhaled Nitric Oxide in Systemic Sclerosis Lung Disease

Table 4

Correlation between alveolar NO () and pulmonary function testing.

Group	TLC	FEV1	FVC	DLCO
SSc	−0.32 (−0.69, 0.16)	−0.40 (−0.73, 0.08)	−0.39 (−0.72, 0.09)	−0.44 (−0.76, 0.03)
SSc-PAH	0.39 (−0.62, 0.91)	0.06 (−0.73, 0.78)	−0.26 (−0.85, 0.62)	0.35 (−0.65, 0.90)
SLE-PAH	−0.13 (−0.91, 0.84)	0.75 (−0.39, 0.98)	0.83 (−0.19, 0.99)	−0.14 (−0.91, 0.85)
SSc-ILD	−0.32 (−0.98, 0.93)	−0.25 (−0.97, 0.94)	0.25 (−0.94, 0.98)	−0.95 (−1.0, 0.13)
IPAH	−0.25 (−0.88, 0.70)	−0.49 (−0.89, 0.32)	−0.40 (−0.86, 0.42)	0.30 (−0.67, 0.89)

None of the correlations were significant.