Clinical significance of changes of perioperative T cell and expression of its activatedantigen in colorectal cancer patients

Table 1 Change of T cell and its subgroups in colorectal cancer patients before and after operation (%, ^-x±s)

Groups	Cases	CD3	CD4	CD8	CD4/CD8
Control	25	68.41 ± 7.30	39.88 ± 9.11	25.15 ± 7.34	1.79 ± 0.90
Colorectal cancer before operation	35	62.57 ± 7.46a	38.81 ± 8.23a	30.71 ± 4.03a	1.13 ± 0.28a
Colorectal cancer after operation	35	65.38 ± 8.19	37.31 ± 11.47	25.26 ± 5.98	1.69 ± 1.07a

^aP < 0.05 vs control and colorectal cancer after operation.

Table 2 Expression of T cell activated antigen and CD16 in pat ients with colorectal cancer (%, ^-x±s)

Groups	Cases	CD16	CD69	CD3+/HLA-DR+
Control	25	11.11 ± 6.25	10.98 ± 6.41	4.44 ± 3.22
Colorectal cancer before operation	35	7.37 ± 2.61ac	5.99 ± 2.07ac	3.81 ± 1.72c
Colorectal cancer after operation	35	11.62 ± 4.23	10.87 ± 2.81	7.62 ± 3.01b

^aP < 0.05;

^bP < 0.01 vs control;

^cP < 0.05 vs colorectal cancer after operation.