Cross-cultural validation of the Chinese version of the EmPHasis-10 questionnaire in connective tissue disease patients with pulmonary arterial hypertension and its relationship with risk stratification

Table 3 Correlations between quality of life questionnaires

	EmPHasis-10	SF-36		EQ-5D	mRAP	CI	PVR
		PCS	MCS		(mmHg)	(L/min/m²)	(WU)
EmPHasis-10		−0.85***	−0.82***	−0.72***	0.10	−0.20	0.46***
SF-36
PCS	−0.85***		0.87***	0.76***	−0.15	0.22	−0.39***
MCS	−0.82***	0.87***		0.75***	−0.19	0.15	−0.31*
EQ-5D	−0.72***	0.76***	0.75***		−0.18	0.17	−0.28*

Correlations assessed by Pearson or Spearman-Rank tests as appropriate.
SF-36, 36-item Medical Outcomes Study Short Form Survey; MCS, Mental Component Summary; PCS, Physical Component Summary; EQ-5D, EuroQol five dimensions questionnaire; mRAP, mean right atrial pressure; CI, cardiac index; PVR, pulmonary vascular resistance
*p < 0.05, **p < 0.01, ***p < 0.001

ISSN: 1471-2466