There were @ infections in the hypocaloric group and @ in the eucaloric group , with no significant difference in the mean ( SE ) number of infections per patient ( @ @ and @ @ , respectively ; P = @ ) , percentage of patients acquiring infection -LSB- @ % ( @ of @ ) and @ % ( @ of @ ) , respectively ; P = @ -RSB- , mean ICU length of stay ( @ @ and @ @ d , respectively ; P = @ ) , mean hospital length of stay ( @ @ and @ @ d , respectively ; P = @ ) , mean @ glucose concentration ( @ @ and @ @ mg/dL , respectively ; P = @ ) , or number of mortalities -LSB- @ ( @ % ) and @ ( @ % ) , respectively ; P = @ -RSB- .