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Table 6 Cytokine levels in BALF supernatants obtained from patients in the HS, stable COPD and AECOPD groups

From: Quantitative analysis of pathogens in the lower respiratory tract of patients with chronic obstructive pulmonary disease

Cytokines (pg/ml) HS Stable COPD patients AECOPD patients
(n = 33) (n = 34) (n = 32)
IL-1β 0.15 ± 0.05 0.21 ± 0.07** 0.58 ± 0.13**##
IL-6 0.64 ± 0.15 1.05 ± 0.21** 2.07 ± 0.22**##
IL-8 6.81 ± 1.59 9.50 ± 1.3** 31.39 ± 6.02**##
IL-10 0.10 ± 0.06 0.18 ± 0.06** 0.30 ± 0.10**##
TNF-α 0.02 ± 0.01 0.05 ± 0.01** 0.27 ± 0.11**##
  1. All data are expressed as means ± SEM. *P < 0.05 and **P < 0.01 vs. the HS group; #P < 0.05 and ##P < 0.01 vs. the stable COPD group. HS, Healthy subjects