Serum interleukin-6 in chronic obstructive pulmonary disease patients and its relation to severity and acute exacerbation

The Egyptian Journal of Bronchology

Table 3 Comparisons of IL-6 level in different medical history among cases with COPD

Variables (N = 45)	IL-6 level		P-value	Sig.
Variables (N = 45)	Mean	SD	P-value	Sig.
Hypoxia on admission
Yes	0.733	0.62	0.8	NS
No	0.774	0.57	0.8	NS
Exposure to biomass
Yes	0.788	0.58	0.6	NS
No	0.675	0.62	0.6	NS
Smoking
Smoker	0.631	0.42	0.06	NS
Non-smoker	0.988	0.77	0.06	NS
Exacerbation frequency
Yes	1.19	0.54	< 0.001	HS
No	0.339	0.19	< 0.001	HS