Clinical effects of nutritional risk screening 2002-guided individualized nutritional intervention in postoperative colorectal cancer patients: A time-period comparison study

Table 5 Gastrointestinal function recovery, mean ± SD

Recovery parameter	Conventional group (n = 40)	ERAS group (n = 40)	Test statistic	P value
First flatus time (days)	3.2 ± 1.1	2.1 ± 0.8	t = 4.987	< 0.001
First defecation time (days)	4.6 ± 1.5	3.2 ± 1.2	t = 4.564	< 0.001
Bowel sound recovery time (days)	4.1 ± 1.3	2.8 ± 1.0	t = 4.873	< 0.001
Time to tolerate clear liquids (days)	1.8 ± 0.9	0.9 ± 0.5	t = 5.287	< 0.001
Time to tolerate semi-solid diet (days)	3.4 ± 1.2	2.3 ± 0.8	t = 4.721	< 0.001
Time to resume normal diet (days)	6.2 ± 1.8	4.1 ± 1.3	t = 5.826	< 0.001

ERAS: Enhanced recovery after surgery.