Table 3

Baseline demographic and clinical characteristics of the Chinese subgroup and overall study population in CHEST-1

Chinese subgroupOverall study population
CharacteristicPlacebo (n=11)Riociguat
2.5 mg-maximum group (n=21)
Total (n=32)Placebo (n=88)Riociguat 2.5 mg-maximum group (n=173)Total (n=261)
Female, n (%)8 (73)14 (67)22 (69)54 (61)118 (68)172 (66)
Age, mean±SD (years)52±1347±1049±1159±1359±1459±14
WHO FC I/II/III/IV, %0/55/45/010/52/38/06/53/41/00/28/68/2*2/32/62/51/31/64/4*
CTEPH, n (%)
Inoperable10 (91)19 (91)29 (91)68 (77)121 (70)189 (72)
Postoperative1 (9)2 (10)3 (9)20 (23)52 (30)72 (28)
6MWD, mean±SD (m)364±85375±57371±67356±75342±82347±80
  • *Data missing for one patient.

  • 6MWD, 6 min walking distance; CTEPH, chronic thromboembolic pulmonary hypertension; WHO FC, WHO functional class (ranges from I to IV, with higher numbers indicating greater functional limitations).