PASP≥35 mmHg	PASP <35 mmHg	p-value
	N=21	N=66
Age	64.9	45.3	0.595
Disease duration (years)	10.1	11.5	0.571
NYHA ≥3	35%	0%	<0.001
Mean NTproBNP (pg/mL)	2549 (35–15,902)	225 (19–3,042)	0.083
Mean uricemia (mg/dL)	5.2	4.8	0.446
Anti-Scl70 antibody	42.1%	18%	0.055
Raynaud phenomenon	80%	82%	0.507
Carbon monoxide diffusion (DLCOsb) <75	66.7%	76.4%	0.359
Restrictive pulmonary disease (FVC <70%)	44.4%	4.8%	<0.001
Mean distance in 6MWT (m)	345 (150–530)	398 (310–610)	0.349