CD4 and epilepsy: (2) The expression rate of CD4+ in each group was as follows: control group 38.64 ± 6.64, PS group 34.20 ± 8.89, and ISE group 29.87 ± 9.23; the epilepsy groups were significantly lower than the control group; the ISE group was significantly lower than the PS group (P < 0.05) (Figure 1(b), Table 1.2).