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

Table 3 Changes in serum nutritional indicators, mean ± SD

Indicator	Time Point	Conventional group (n = 40)	ERAS group (n = 40)	Test statistic	P value
Serum albumin (g/L)
	Preoperative	38.7 ± 4.1	39.3 ± 3.6	t = -0.732	0.468
	7 days postop	33.2 ± 4.2	36.8 ± 3.1	t = -4.326	< 0.01
	14 days postop	35.1 ± 3.9	39.5 ± 2.8	t = -5.612	< 0.01
Prealbumin (mg/L)
	Preoperative	235.4 ± 48.3	241.7 ± 44.2	t = -0.612	0.543
	7 days postop	198.7 ± 52.1	265.3 ± 45.2	t = -6.041	< 0.001
	14 days postop	235.6 ± 47.3	321.8 ± 38.4	t = -8.754	< 0.001
Hemoglobin (g/L)
	Preoperative	122.8 ± 14.6	125.3 ± 12.9	t = -0.812	0.419
	7 days postop	106.4 ± 16.2	112.7 ± 13.8	t = -1.878	0.064
	14 days postop	108.2 ± 15.7	118.5 ± 12.3	t = -3.247	< 0.01
Total protein (g/L)
	Preoperative	68.5 ± 6.2	69.8 ± 5.7	t = -0.987	0.327
	7 days postop	62.3 ± 7.1	66.9 ± 5.9	t = -3.154	< 0.01
	14 days postop	64.7 ± 6.8	70.2 ± 5.4	t = -4.038	< 0.001
Transferrin (mg/L)
	Preoperative	2.48 ± 0.42	2.52 ± 0.38	t = -0.452	0.653
	7 days postop	2.12 ± 0.48	2.67 ± 0.41	t = -5.462	< 0.001
	14 days postop	2.28 ± 0.45	2.89 ± 0.37	t = -6.523	< 0.001

ERAS: Enhanced recovery after surgery.