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. 2014 Aug 21;9(8):e104453. doi: 10.1371/journal.pone.0104453

Figure 4. Plasma concentrations of cytokines in ECA patients and healthy controls.

Figure 4

The patients and healthy controls used in this experiment had been matched with sex, age and number. Plasma concentrations of IFN-γ (a), IL-4 (b), IL-6 (c), Arg1 (d) and IL-13 (e) were determined by ELISA. Data were analyzed by the Student’s t-test. *P<0.05, ***P<0.001 vs. control group. NS: no significant difference, ECA: esophageal cancer, ELISA: enzyme linked immunosorbent assay, IFN: interferon, IL: interleukin, Arg1: arginase 1.