Figure 5

(A) Calibration–free concentration analysis of SAA in different study cohorts by using SPR. Measurement of SOD activity (B), and serum levels of thiobarbituric acid reactive substances (C) in NSVM and SVM patients. ** indicates p < 0.001, * indicates 0.001 < p < 0.05 and NS indicates p > 0.05 based on a Mann–Whitney U test.