( 2 ) Pulmonary ventilation function : the differences of FEV1 % , FEV1/FVC and MVV % were statistically significant between groups , which were more superior in the treatment group ( P < 0.05 , P < 0.01 ) ; ( 3 ) SGRQ : the SGRQ was significantly improved after treatment in the treatment group ( P < 0.05 ) , but there was no difference between two groups ( P > 0.05 ) .