Strijbos 1996.

Methods	Randomised, controlled, parallel groups design
Participants	50 outpatients with stable COPD. No evidence of ischemic heart disease, musculoskeletal disorders, or other 'disabling' diseases
Interventions	Hospital based supervised exercise (breathing & relaxation exercises, bronchial hygiene, walking/stair climbing and stationary bicycles, 1 hr 2x wk) Home‐care exercise program (breathing & relaxation exercises, bronchial hygiene, walking/stair climbing and stationary bicycles, 30min 2x wk) Control (usual medical care only)
Outcomes	No significant differences were found between exercise groups. However improvements in maximal work level, 4‐min walking distance, fatigue and general well‐being scores from baseline were maintained for much longer in the home‐care group (up to 18 months)
Notes	Study done in Netherlands
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear