TABLE 1 Patient characteristics at CHEST-1 baseline
Former riociguatFormer placeboTotal
Subjects n15582237
Age years59±1459±1259±13
Female104 (67)49 (60)153 (65)
CTEPH classification
 Inoperable110 (71)62 (76)172 (73)
 Persistent/recurrent45 (29)20 (24)65 (27)
6MWD m345±82360±71351±78
WHO FC I/II/III/IV2/31/65/3#0/31/67/21/31/65/3+
  • Data are presented as mean±sd, n (%) or %, unless otherwise stated. CTEPH: chronic thromboembolic pulmonary hypertension; 6MWD: 6-min walking distance; WHO: World Health Organization; FC: functional class. #: data do not add up to 100% due to rounding; : n=81; +: n=236.