Serum IL-10 concentrations.

The serum IL-10 concentrations (pg/mL) are shown for 20 patients with ALPS associated with Fas mutations, 12 of their healthy relatives with Fas mutations, 20 of their relatives withoutFas mutations, and 40 healthy, nonrelated control subjects. The wide horizontal bars denote the median values for each cohort.P values for differences between cohorts are shown above the data (Wilcoxon rank sum test).