The SOFA score of lactic group at 24 hours and 48 hours after treatment was lower than that of control group ( 9.27 4.62 vs. 9.79 3.80 , t = 2.103 , P = 0.040 ; 8.54 5.53 vs. 9.70 4.30 , t = 2.302 , P = 0.023 ) .