Effect of postoperative early enteral nutrition on clinical outcomes and immune function of cholangiocarcinoma patients with malignant obstructive jaundice

Table 2 Baseline data before operation

Group	Number of cases	Age in yr, mean ± SD	Gender of cases, M/F	NRS score, mean ± SD	Total bilirubin as µmol/L, mean ± SD	Jaundice duration in d, mean ± SD	PTCD cases
TPN group	30	58.90 ± 7.42	18/12	4.03 ± 0.78	100.26 ± 19.18	21.26 ± 9.16	16
EEN + PN group	26	59.08 ± 7.64	15/11	4.08 ± 0.78	96.50 ± 18.01	18.96 ± 8.89	18
t or χ2		0.089	0.031	0.239	0.753	0.950	1.476
P value		0.9291	0.8612	0.8121	0.4551	0.3461	0.2242

¹t-test.

²Chi-square test. EEN: Early enteral nutrition; F: Female; M: Male; NRS: Nutrition risk screening; PN: Parenteral nutrition; PTCD: Percutaneous transhepatic cholangial drainage; SD: Standard deviation; TPN: Total parenteral nutrition.