After remission induction chemotherapy , compared with the control group , the treatment group had a significantly lower incidence of infection ( P < 0.05 ) , a shorter duration of infection at any site ( P < 0.05 ) , a higher neutrophil count after chemotherapy ( P < 0.05 ) , and lower incidence rates of respiratory tract infection , urinary tract infection , blood infection , and skin and soft tissue infections ( P < 0.05 ) .