Table 1—

Patient anthropometric data and baseline values

FEV1/FVCblTotal
≥0.8<0.8
Subjects n280169449
Male153 (55)94 (56)247 (55)
Age yrs19 (6–72)26 (7–84)19 (6–84)
FEV1 % pred94.3±11.388.9±12.792.2±11.9
FEF50 % pred94.3±18.466.2±12.983.7±21.3
Positive responders155 (55.4)113 (66.7)268 (59.7)
PD20 µmol1.50 (0.14–17.05)0.94 (0.05–17.31)1.24 (0.08–17.82)
  • Data presented as mean±sd, n (%) or mean (range), except where stated. FEV1: forced expiratory volume in one second; FEV1/FVCbl: baseline ratio of FEV1 to forced vital capacity; % pred: percentage of the predicted value; FEF50: forced expiratory flow at 50% of vital capacity; PD20: provocative dose causing a 20% fall in FEV1

  • data presented as geometric mean (95% confidence interval)