Figure 2From: Plasma cytokine profiles in systemic sclerosis: associations with autoantibody subsets and clinical manifestationsAge effects on plasma cytokine levels. IL-6 (P = 0.02) and IL-17 (P = 0.01) levels increased with advancing age. There was also a trend for increasing levels of IL-8 with age (P = 0.07). Plasma cytokine levels (in pg/ml) were log n -transformed. Data presented as mean ± standard error of the mean.Back to article page