QoL: quality of life; SF-36: 36-item short-form health survey; CAMPHOR: Cambridge Pulmonary Hypertension Outcome Review; 6MWD: 6-min walk distance; V′O2: oxygen uptake; WHO: World Health Organization; NT-proBNP: N-terminal pro-brain natriuretic peptide; PHQ-9: Patient Health Questionnaire-9; SF-12: 12-item short-form health survey; FAS: Fatigue Assessment Scale; HAP: Human Activity Profile; HADS: Hospital Anxiety and Depression Scale; EQ-5D: EuroQoL-5 dimensions; SGRQ: St George's Respiratory Questionnaire. #: the number of subscales with significant improvement/number of tested subscales is given; the numbers given for the SF-36 are in reference to the analysed scales, as follows 10: all subscales and two summation scales, 8: all subscales, 2: two summation scales; detailed results of specific subscales of QoL assessments are presented in table 2. ¶: this study refers to the same patients as Grünig et al. [20].