Seasonal Variation in Vitamin D in Association with Age, Inflammatory Cytokines, Anthropometric Parameters, and Lifestyle Factors in Older Adults

Figure 6

Seasonal variation of the cytokine panel. Concentrations of IL-6 (a), IL-18 (b), IL-1β (c), MCP-1 (d), IL-10 (e), and TNF-α (f) during the four seasons. The bold line represents the median, the box encloses the first and third quartiles, and the whiskers, the minimum and maximum value; points are outliers (still considered in the statistical analysis). Letters denote statistical difference between groups resulting from Tukey’s all pair comparisons ().

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