There were 82 infections in the hypocaloric group and 66 in the eucaloric group , with no significant difference in the mean ( SE ) number of infections per patient ( 2.0 0.6 and 1.6 0.2 , respectively ; P = 0.50 ) , percentage of patients acquiring infection [ 70.7 % ( 29 of 41 ) and 76.2 % ( 32 of 42 ) , respectively ; P = 0.57 ] , mean ICU length of stay ( 16.7 2.7 and 13.5 1.1 d , respectively ; P = 0.28 ) , mean hospital length of stay ( 35.2 4.9 and 31.0 2.5 d , respectively ; P = 0.45 ) , mean 0600 glucose concentration ( 132 2.9 and 135 3.1 mg/dL , respectively ; P = 0.63 ) , or number of mortalities [ 3 ( 7.3 % ) and 4 ( 9.5 % ) , respectively ; P = 0.72 ] .