Objective:chronicobstructivepulmonarydisease(COPD)prevalencesteadilyincreaseswithage.However,theeffectiveness of inhaledtherapyin theelderlyCOPD populationhasrarelybeenformally evaluated.We studied a group of elderlypatients with COPD with a range of severity, selected from one General Practice register to measure peak inspiratory flow (PIF) and assesspatient perceived benefit.