Investigators will compare the factors affecting the adherence to the outpatient pulmonary rehabilitation program in COPD patients

Patients were referred to the Pulmonary Rehabilitation Unit and were recommended to participate in the exercise program by a team of experts included in this study.

Demographic and clinical characteristics of patients were recorded before the pulmonary rehabilitation program. All cases were evaluated by pulmonary function test, arterial blood gas analysis, six minute walking test, MMRC Dyspnea Scale. Causes that prevented program adaptation of those who did not participate in the program or who left the program were questioned. Patients completing the eight-week PR program will compare with those who did not complete the program or who did not start the program at the recommended time.

Inclusion Criteria: COPD Patients referred to the outpatient pulmonary rehabilitation unit -

Exclusion Criteria: To be unvolunteer

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All COPD patients refered to the pulmonary rehabilitation unit.