Figure 3From: Plasma cytokine profiles in systemic sclerosis: associations with autoantibody subsets and clinical manifestationsEffect of disease duration on plasma cytokine profiles in scleroderma patients compared with controls. Plasma cytokine levels (in pg/ml) were log n -transformed. Data presented as mean ± standard error of the mean. *P < 0.05. **P < 0.01. ****P < 0.0001.Back to article page