Daily energy intake in 7 days after ICU admission was as follows : the difference in target value of nutrition ( kJ/d : 7 075.0 1 046.5 , 5 667.8 1 908.8,4 428.8 1 377.8 ) , calory intake ( k ] / d : 4 671.6 1 205.6 , 5 655.3 1 373.0 , 6 053.0 1 557.2 ) , enteral nutrition value ( kJ/d : 2 051.1 1 046.5 , 3 980.9 1 586.5 , 5 337.1 2 921.8 ) and average intake rate [ ( 66.0 15.8 ) % , ( 100.0 5.7 ) % , ( 134.0 19.7 ) % J , and they were statistically significant difference among A , B , C groups ( all P < 0.05 ) .