Table 2—

Patient characteristics per treatment group at baseline

TiotropiumIpratropium
Patients n344175
Age yrs64 (8)65 (8)
Males n(%)289 (84)151 (86)
Dutch n(%)294 (85)151 (86)
Current smokers n(%)151 (43.9)79 (45.1)
Smoking history in pack-yrs33.8 (17.8)33.2 (16.7)
Duration of COPD in years11.3 (10.0)10.9 (9.7)
FEV1 L1.21 (0.44)1.13 (0.38)
FEV1 % of predicted40.6 (12.8)38.0 (10.6)
FVC L2.68 (0.85)2.52 (0.71)
SGRQ total score45.5 (16.6)43.7 (17.6)
  • All data presented as mean (sd) unless otherwise stated

  • Reported baseline characteristics are slightly different from those reported in Vincken et al. 5 because of the different number of patients included for the economic analysis

  • COPD: chronic obstructive pulmonary disease

  • FEV1: forced expiratory volume in one second

  • FVC: forced vital capacity

  • SGRQ: St. George's Respiratory Questionnaire