... health-related quality of life (HRQoL) However, it has been confirmed that the evaluation alone of the severity of COPD, measured by the degree of reduction of the forced expiratory volume in one second ... between quality of life, sex, and degree of airflow obstruction Relationship between quality of life, sex, and degree of airflow obstruction relationship between quality of life, sex, and degree of ... SS, on behalf of the GOLD Scientific Committee: Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease NHLBI/WHO global iniciative for chronic obstructive...