Changes in spirometry parameters during the intervention.

Table 3: Changes in spirometry parameters during the intervention.

Variable	Atorvastatin group		Placebo group		p Within group	p Between group
Variable	Before	After	Before	After	p Within group	p Between group
FVC mean	2.27 ± 0.77	2.75 ± 0.26	2.88 ± 1.55	2.87 ± 0.53	0.11	0.05
FVC predicted%	74.60 ± 20.82	89.63 ± 0.47	80.47 ± 29.36	90.56 ± 11.62	0.50	0.33
FEV1 mean	1.39 ± 0.59	1.55 ± 0.16	1.67 ± 1.06	1.62 ± 0.41	0.29	0.20
FEV1 predicted%	57.61 ± 21.38	63.52 ± 0.75	64.30 ± 32.55	64.00 ± 11.49	0.40	0.37
FEV1/FVC	61.02 ± 13.57	57.04 ± 1.10	61.27 ± 12.44	57.17 ± 7.38	0.97	0.93
MMEF^‡	0.68(0.74)	0.88 ± 0.10	0.77(0.89)	0.92 ± 0.28	0.45	0.31
MMEF predicted%^‡	32.90(29.90)	32.75 ± 1.62	27.25(38.80)	33.47 ± 7.96	0.66	0.56

FEV1: Forced Expiratory Volume in the first minute; FVC: Forced Vital Capacity; MMEF: Maximum Mid expiratory Flow.

^‡Median and interquartile range (IQR) were shown.