Fig. 1From: The type I interferon signature in leukocyte subsets from peripheral blood of patients with early arthritis: a major contribution by granulocytesWhole-blood interferon (IFN) scores in all 26 patients with early arthritis. Eight patients were designated patients with an interferon signature (IFNhigh) on the basis of the mean + 2 SD cutoff in healthy control subjects. Patients within the 95 % limits of healthy control subjects (indicated between the dashed lines) were considered IFNlow Back to article page