Efficacy of tiotropium in COPD patients from Asia: a subgroup analysis from the UPLIFT trial
Fukuchi, Yoshinosuke × Fernandez, Lenora Kuo, Han-Pin Mahayiddin, Aziah Celli, Bartolome Decramer, Marc Kesten, Steven Liu, Dacheng Tashkin, Donald #
Respirology vol:16 issue:5 pages:825-835
Studies in respiratory diseases other than chronic obstructive pulmonary disease suggest potentially differing responses to medications among patients from different regions. We report a subgroup analysis of patients recruited to Asian centres from a previously reported 4-year COPD trial.