Essam A El-Moselhy* and Abdel Hay I Abdel Hay
Elderly is robustly accompanied with raise prevalence of chronic obstructive pulmonary disease (COPD). Prevalence of COPD in subjects aged 65 years and more is estimated at 14.2% (11.0%-18.0%) in contrast with 9.9% (8.2% to 11.8%) in those aged 40 years or more.