Table 3.

Median (IQR) values of studied parameters of oxidative stress in PAH and CTEPH patients.

	PAH (n = 28)	CTEPH (n = 17)	p value
TAC (mM)	0.52 (0.36-0.71)	0.64 (0.53-0.73)	0.32
MDA (μM)	2.91 (1.75-4.00)	2.63 (0.89-3.93)	0.59
CAT (U/L)	1.33 (1.16-1.70)	1.68 (1.22-2.56)	0.16
SOD (%)	79.16 (76.14-82.57)	79.89 (77.23-85.13)	0.34

PAH: pulmonary arterial hypertension; CTEPH: chronic thromboembolic pulmonary hypertension; TAC: total antioxidant capacity; MDA: malondialdehyde; CAT: catalase activity; SOD: superoxide activity; p value refers to Mann-Whitney U test.