After intervention , the levels of CD3 ( + ) were ( 59.73 7.38 ) % and ( 66.31 7.57 ) % , CD4 ( + ) were ( 34.00 7.97 ) % and ( 39.11 5.81 ) % , CD4 ( + ) / CD8 ( + ) were ( 1.41 0.37 ) and ( 1.58 0.26 ) , all increased than before intervention ( t values were 12.47 , 25.18 , 5.41 , 10.47 , 3.22 and 5.05 , all P values < 0.05 ) .