The time needed for recovery of bowel sounds, anal exsufflation, defecation and hospital stay was shorter and hospital fee lower in EN group than those in PN group (P=0.000).

• 术后并发症发生率肠内营养组明显低于静脉营养组(P<0.；01)，而肠内营养组腹泻发生率高于静脉营养组(P=0