10 of the patients (52%) had FVII deficiency (mean FVII: 8,3%, range 2,5–17%), 4 of patients (21%) had FX deficiency (mean FX:16,2%, range 15–17%) and 4 of patients (21%) had FV deficiency (mean FV:14%, range 10–17%) and 1 had FXIII deficiency (1%) respectively. This evidence concerns the gene F5 and hyperinsulinemic hypoglycemia, familial, 4.