Table 2.

The expression changes of CD69 and HLA-DR on CD3+ T lymphocytes in external blood of two groups (x ± s).

Group	Cases	CD69	HLA-DR
AF	45	1.62 ± 0.41	36.62 ± 9.58
Control	45	1.02 ± 0.27	25.11 ± 8.39
t value		8.199	6.063
P value		<0.001	<0.001