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. 2014 Aug 5;9:759–773. doi: 10.2147/COPD.S61347

Figure 1.

Figure 1

Serum concentrations of cutaneous T-cell attracting chemokine, eotaxin, hepatocyte growth factor, interleukin 6 (IL-6), IL-16, and stem cell factor are elevated in chronic obstructive pulmonary disease patients compared with control subjects. Serum level of (A) cutaneous T-cell attracting chemokine (P<0.01), (B) eotaxin (P<0.05), (C) hepatocyte growth factor (P<0.05), (D) IL-6 (P<0.05), (E) IL-16 (P<0.01), and (F) stem cell factor (P<0.05) are significantly higher in chronic obstructive pulmonary disease patients (n=21) compared with control subjects (n=9). Significant differences between chronic obstructive pulmonary disease and control subjects are denoted by *P≤0.05 and **P≤0.01, as measured by two-tailed Mann–Whitney test. The data are represented as mean ± standard error.