± Group   CD3+ CD4+ CD8+ CD4+/CD8+   Pre-therapy 59.82 ± 10.31 33.39 ± 7.50 22.39 ± 8.69 1.79 ± 1.23 Treatment group Post-therapy 64.09 ± 9.45 36.23 ± 7.26 22.00 ± 8.35 1.89 ± 0.99 t -2.75 -2.19 0.25 -0.31 P value 0.01* 0.04* 0.81 0.76 Pre-therapy 57.40 ± 13.65 33.61 ± 9.07 19.90 ± 5.78 1.79 ± 0.63 Control group Post-therapy 52.44 ± 11.25 33.09 ± 12.43 21.46 ± 7.27 1.73 ± 0.83 t 2.18 0.21 -1.23 0.44 P value 0.04* 0.84 0.24 0.67

Table 7: T-lymphocytes subset before and during the period of chemotherapy or CIK therapy : Comparison of the T-cells before and after chemotherapy,*:P<0.05.