Baseline assessment included spirometry,
six-minute walk test (6MWT), symptom limited cardiopulmonary exercise test (CPET), health-related quality of life (HRQoL)
assessment by generic questionnaire medical outcomes study short form (S-F 36) questionnaire and dyspnoea evaluation by
Borg score. The intervention group patients were treated with usual care plus PR exercises in the form of 20 minutes each of
walking, bicycle ergometry and resistance exercises, thrice-weekly for three weeks. The control group patients were treated
with only the usual care