IFNL4 and idiopathic generalized epilepsy: IL-1Ra was for TLE and XLE (P = 0.041 and 0.032, respectively), IFNγ, IFNλ2 and IFNλ4 were for XLE (P = 0.008, 0.004 and 0.022), and IFNλ3 for IGE (P = 0.003).