Reduced exercise capacity in patients with systemic sclerosis is associated with lower peak tissue oxygen extraction: a cardiovascular magnetic resonance-augmented cardiopulmonary exercise study

Table 1 Subject characteristics

	SSc	SSc-PAH	NC-PAH	Healthy Controls	p value
Age (years)	52.5 ± 14.0	59.7 ± 8.4	51.1 ± 18.1	51.3 ± 4.2	0.19
Height* (m)	1.6 (1.6–1.8)	1.6 (1.5–1.9)	1.6 (1.5–1.9)	1.6 (1.6–1.8)	0.95
Weight (kg)	66.2 ± 14.5	68.6 ± 14.3	75.7 ± 18.4	70.4 ± 13.0	0.38
BSA (m²)	1.7 ± 0.2	1.8 ± 0.2	1.8 ± 0.2	1.8 ± 0.2	0.72
M/F	2/13	3/12	7/8	3/12	0.15

BSA body surface area, SSc systemic sclerosis, SSc-PAH systemic sclerosis-associated pulmonary arterial hypertension, NC-PAH non-connective tissue disease pulmonary artery hypertension. Normally distributed data displayed as mean ± SD. *Denotes non-normally distributed, data shown as median (range)

ISSN: 1532-429X