of Chronic Obstructive Pulmonary Disease and Quality of Life of Patients
GOLD 1 GOLD 2 GOLD 3 GOLD 4 Symptoms 46.9 ± 19.6 51.9 ± 21.7 58.1 ± 18.5** 66.2 ± 23.7*** Activity 47.4 ± 25.8 60.1 ± 20.3 67.9 ± 19.1*** 80.7 ± 13.1*** Impact 25.9 ± 16.4 34.4 ± 17.1* 43.0 ± 19.0*** 57.4 ± 16.3*** Total 36.6 ± 1.4 45.1 ± 15.7* 52.9 ± 16.1*** 66.2 ± 13.1*** Symptoms:…