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Effectiveness of Pursed Lip-Breathing Exercise on breathing pattern in COPD patients at a Selected Hospital Bangalore Objectives: To assess the breathing pattern among patients with COPD, To assess the effectiveness of Pursed Lip Breathing exercise in COPD patients, To find out the association between the breathing pattern with selected demographic and clinical variables in COPD patients Hypotheses: There is a significant difference between the breathing pattern in COPD patients before and after Pursed Lip Breathing exercise. There is a significant association between the breathing pattern in COPD patients with their selected demographic and clinical variables.