Skip to main content

View full-text article in PMC

. 2009 Mar;155(3):466–475. doi: 10.1111/j.1365-2249.2008.03835.x

Table 3.

Correlations of serum cytokine levels with parameters of lung function test.

	All patients			All smokers			All COPD
Correlation	n	Coeff.	P-value	n	Coeff.	P-value	n	Coeff.	P-value
CD4⁺CD28^null-FEV_1%	62	−0·485	<0·001	48	−0·517	<0·001	34	−0·317	0·068
CD4⁺CD28^null-MEF_50%	62	−0·404	0·001	48	−0·479	<0·001	34	−0·355	0·04
CD4⁺CD28^null-MEF_25%	62	−0·38	0·002	48	−0·403	0·004	34	−0·154	0·384
IFN-γ-FEV_1%	62	0·461	<0·001	48	0·613	<0·001	34	0·491	0·003
IFN-γ-MEF_50%	62	0·556	<0·001	48	0·645	<0·001	34	0·541	<0·001
IFN-γ-MEF_25%	62	0·489	<0·001	48	0·618	<0·001	34	0·492	0·003
TNF-α-FEV_1%	62	0·374	0·003	48	0·336	0·019	34	0·226	0·198
TNF-α-MEF_50%	62	0·337	0·007	48	0·275	0·058	34	0·123	0·489
TNF-α-MEF_25%	62	0·309	0·014	48	0·249	0·087	34	0·039	0·828
IL-1β-FEV_1%	62	0·344	0·006	48	0·287	0·048	34	0·066	0·709
IL-1β-MEF_50%	62	0·282	0·026	48	0·256	0·079	34	0·078	0·663
IL-1β-MEF_25%	62	0·266	0·037	48	0·22	0·133	34	0·002	0·993
IL-10-FEV_1%	62	0·256	0·044	48	0·178	0·226	34	0·096	0·587
IL-10-MEF_50%	62	0·328	0·009	48	0·278	0·055	34	0·329	0·058
IL-10-MEF_25%	62	0·3	0·018	48	0·226	0·122	34	0·214	0·223

FEV₁, forced expiratory volume in 1 s; IFN-γ, interferon-γ; IL, interleukin; MEF, maximum expiratory flow; TNF-α, tumour necrosis factor-α.