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Major scales used for QoL assessment of COPD patients.
Abbreviations: SGRQ, Saint George Respiratory Questionnaire; AQ20, Airways Questionnaire 20; SF-12, 12-item short-form health survey questionnaire; MCMQ, Medical Coping Modes Questionnaire; CAT, COPD Assessment Test; SF-36, 36-item Short Form Survey Instrument; EQ-5D, EuroQol Five-Dimensional Questionnaire.
