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. 2013 Mar 5;13:75. doi: 10.1186/1471-244X-13-75

Figure 3.

Figure 3

A- Levels of IL-6 in relation to BDI scores (including the depressive and non-depressive groups). B- Comparison of IL-6 levels between two groups: high exposure sunlight group (HEL) and low exposure sunlight group (LEL) in non-depressive subjects. C- Comparison of IL-6 levels between the HEL and LEL groups in depressive subjects. The Student’s t-test for independent samples was used to analyze the mean differences between groups. IL-6 = interleukin; IL-6 levels are shown in pg/ml. *p < 0.05.