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. 2007 Oct;150(1):42–48. doi: 10.1111/j.1365-2249.2007.03453.x

Fig. 1.

Fig. 1

Antibody frequency in patients among the four experimental groups reactive to at least one minor anti-neutrophil cytoplasmic antibodies (ANCA) antigen. The greatest prevalence was found in patients with positive immunofluorescence (IF). Patients with a positive IF and positive serine protease 3 (PR3) had a greater prevalence than patients with a negative IF (P = 0·001). Similar results were found in patients with positive IF and positive myeloperoxidase (MPO). Minor antigens were least prevalent in patients with IF−, PR3− and MPO−.