Levels of HBV specific CTL ( 0.79 % 0.07 % ) , non-specific CTL ( 19.4 % 1.8 % ) and NK cells ( 14.1 % 1.5 % ) of the treatment group were higher than those of the control group ( 0.58 % 0.08 % , 17.5 % 1.7 % , and 11.1 % 1.5 % , respectively ; allP < 0.01 ) .