Compared to early fasting group , patients in early enteral nutrition group had a significantly shorter duration of postoperative fever -LSB- ( @ ) h vs. ( @ ) h , P < @ -RSB- , a shorter interval to flatus -LSB- ( @ ) h vs. ( @ ) h , P < @ -RSB- , a shorter hospital stay -LSB- ( @ ) d vs. ( @ ) d , P < @ -RSB- and lower medical cost -LSB- ( @@ ) Yuan vs. ( @@ ) Yuan , P < @ -RSB- .