Fig. 3. Serum periostin levels according to age.54 (A) Serum periostin levels in the elementary school-age children without allergic diseases. Bottom of the box, 25th percentile; Line in the middle of box, median; Top of the box, 75th percentile; Whiskers, to the smallest value and to the largest value. (B) The serum periostin levels of subjects without allergic diseases in both elementary school-age children and adults.
