Mediators of Inflammation / 2015 / Article / Tab 4 / Research Article
Clinical Features and Genetic Background of the Periodic Fever Syndrome with Aphthous Stomatitis, Pharyngitis, and Adenitis: A Single Center Longitudinal Study of 81 Patients Table 4 Laboratory parameters of PFAPA patients.
Laboratory parameter Mean ± SD (range) IgA 1.20 ± 0.60 g/L (0.29–3.03 g/L) IgG 10.18 ± 2.41 g/L (2.4–17.7 g/L) IgM 0.97 ± 0.35 g/L (0.35–1.76 g/L) Laboratory parameter (%)IgD <100 IE/mL 39/48 (81%) >100 IE/mL 9/48 (19%) Antinuclear antigen antibodies Negative 41/41 (100%) Lymphocyte subsets Normal 28/40 (70%) Elevated 10/40 (25%) Low 2/40 (5%) Antistreptolysin O titer ASO < 52 units/mL 44/64 (69%) 52 < ASO < 500 units/mL 12/64 (19%) 500 < ASO < 1000 units/mL 6/64 (9%) ASO > 1000 units/mL 2/64 (3%)