Application of multivariate logistic regression in predicting postoperative intestinal function recovery and lymph node metastasis in colorectal cancer

Table 6 Dynamic changes in laboratory indicators by outcome groups, mean ± SD

Time point	Indicator	Delayed group (n = 49)	Normal group (n = 148)	P value	LNM-positive (n = 68)	LNM-negative (n = 129)	P value
Preoperative	Albumin (g/L)	37.1 ± 5.2	41.2 ± 4.8	< 0.001	39.1 ± 5.9	40.8 ± 5.1	0.038
	CRP (mg/L)	10.5 ± 3.8	9.2 ± 3.1	0.012	10.1 ± 3.5	9.3 ± 3.2	0.089
	WBC (× 109/L)	6.8 ± 2.4	6.1 ± 2.1	0.025	6.5 ± 2.3	6.1 ± 2.2	0.187
POD 4	Albumin (g/L)	31.2 ± 3.8	35.8 ± 3.2	< 0.001	33.5 ± 3.9	35.1 ± 3.5	0.004
	CRP (mg/L)	28.5 ± 6.1	20.3 ± 5.4	< 0.001	24.8 ± 6.3	21.5 ± 5.8	< 0.001
	WBC (× 109/L)	11.5 ± 2.3	9.2 ± 1.9	< 0.001	10.3 ± 2.2	9.6 ± 2.0	0.019
	Neutrophil %	81.5 ± 6.8	72.8 ± 6.1	< 0.001	77.2 ± 7.1	74.1 ± 6.5	0.002
POD 7	Albumin (g/L)	33.8 ± 3.5	38.4 ± 3.4	< 0.001	36.1 ± 3.8	37.8 ± 3.6	0.002
	CRP (mg/L)	19.8 ± 5.1	12.1 ± 4.0	< 0.001	16.5 ± 5.3	13.2 ± 4.5	< 0.001
1 month	Albumin (g/L)	37.5 ± 3.9	40.9 ± 3.5	< 0.001	39.0 ± 4.1	40.5 ± 3.8	0.011
	CRP (mg/L)	13.5 ± 3.9	8.5 ± 2.8	< 0.001	11.2 ± 3.8	9.1 ± 3.2	< 0.001

LNM: Lymph node metastasis; CRP: C-reactive protein; WBC: White blood cell; POD: Postoperative day.