Table 3.

Loss of Lung Function According to Initial Spirometric Severity

	Mild	Moderate	Severe/Very Severe	p*
	(n=83)	(n=109)	(n=23)
FEV1 mL	−47.7 (36.8)	−25.6 (31.9)	15 (27.1)	<0.001
FEV1%	−1.6 (1.1)	−0.7 (1.1)	−0.4 (0.8)	<0.001
FVC mL	−32.8 (63.1)	−61.8 (538)	−20.4 (536)	0.002
FVC %	−0.9 (1.8)	−0.7 (1.4)	−0.01 (1.2)	<0.001
FEV1/FVC	−0.7 (0.8)	−0.6 (0.7)	−0.4 (0.6)	0.4

Note: *p value of the comparison of groups by ANOVA test.