LDLR and Lennox-Gastaut syndrome: While the LDLR group exhibited a higher prevalence of subjects with LGS than the NLDLR group, the percentage of subjects with HGS was higher in the NLDLR group than in the LDLR group (44.1% vs. 26% and 74% vs. 55.9%, respectively, for both p < 0.01; Fig. 2A).