Summary This indicator measures the percentage of registered patients recorded in QOF as having chronic obstructive pulmonary disease. Annual LSOA-level estimates are provided for 2005-2024 in England. Technical description QOF achievement records with areaid_id values COPD001, COPD 14, COPD 1 were used to identify GP practice-year prevalence estimates for chronic obstructive pulmonary disease. Practice-year records with non-positive denominators or computed prevalences above 30%...