Fig. 3From: Intraindividual changes of dipeptidyl peptidase-IV in peripheral blood of patients with rheumatoid arthritis are associated with the disease activityBlood plasma DPP-IV in RA patients with clinical improvement of the disease. Blood plasma DPP-IV-like enzymatic activity (n = 18) and DPP-IV concentration (n = 13) were determined in patients exhibiting at least a moderate improvement of the disease, individual entry and follow-up values are depicted. *p < 0.05, Wilcoxon pair testBack to article page