CD40LG and hyperinsulinemic hypoglycemia, familial, 4: Among 23 anti-ASQ41-positive patients and 77 anti-ASQ41-negative patients, the incidences of FXII deficiency (<60%) and IgM anti-FXII were as follows: FXII deficiency, 34.8 versus 20.8% (NS); and IgM anti-FXII, 34.8 versus 10.4% (p = 0.0093), respectively (Table 2).