Serum nutritional predictive biomarkers and risk assessment for anastomotic leakage after laparoscopic surgery in rectal cancer patients

Table 3 Comparison of preoperative serum nutritional factors among different grades of anastomotic leakage patients

Grade	n	Serum nutritional factors (mean ± SD)
		PA (mg/L)	ALB (g/L)	TRF (g/L)
Grade A	30	312.04 ± 56.61	36.81 ± 5.29	2.76 ± 0.41
Grade B	26	243.19 ± 54.28	30.72 ± 4.18	2.27 ± 0.34
Grade C	11	207.18 ± 43.66	22.60 ± 3.76	1.98 ± 0.27
F		19.801	39.323	23.173
P value		< 0.001	< 0.001	< 0.001

PA: Prealbumin; ALB: Albumin; TRF: Transferrin.