Preoperative Nutrition Support May Reduce the Prevalence of Postoperative Pancreatic Fistula after Open Pancreaticoduodenectomy in Patients with High Nutritional Risk Determined by NRS2002

Table 1

Basal data in preoperative nutrition support and no support groups in patients at high risk ().

Variable	Preoperative nutrition support group ()	No support group ()
Age, mean (SD) (y)	60.2 (14.3)	63.8 (11.1)	0.117
Sex, male, (%)	22 (53.7)	46 (48.9)	0.614
BMI, mean (SD) (kg/m^2)	22.8 (4.1)	23.7 (3.3)	0.169
History, (%)
Diabetes	8 (19.5)	30 (31.9)	0.141
Hypertension	11 (26.8)	39 (41.5)	0.105
Coronary heart disease	4 (9.8)	10 (10.6)	0.877
Smoking	13 (31.7)	23 (24.5)	0.382
Drinking	12 (29.3)	18 (19.1)	0.193
Jaundice	24 (58.5)	44 (46.8)	0.210
Laboratory
Albumin, mean (SD), (g/L)	38.5 (6.6)	37.9 (4.7)	0.572
White blood cell count, mean (SD) (×10^9/L)	6.7 (3.4)	6.1 (2.7)	0.276
Haemoglobin, mean (SD) (g/L)	119.8 (18.0)	125.6 (17.0)	0.082
ALT, mean (SD) (U/L)	165.2 (163.7)	162.2 (157.1)	0.081
TBIL, mean (SD) (mg/dL)	120.6 (114.3)	87.4 (110.8)	0.116
AMY, mean (SD) (U/L)	77.1 (77.3)	66.0 (57.7)	0.550
Operation
Operation duration, mean (SD) (min)	373.3 (92.7)	359.6 (114.6)	0.557
Intraoperative blood loss, mean (SD) (mL)	748.8 (766.1)	524.5 (560.3)	0.501
Intraoperative fluid infusion, mean (SD) (mL)	3406.1 (1416.4)	3658.6 (1727.9)	0.413
Diameter of main pancreatic duct, mean (SD) (mm)	3.3 (1.8)	3.0 (2.1)	0.577
Duct-to-mucous pancreaticojejunostomy, (%)	25 (61.0)	60 (63.8)	0.752
Hard pancreatic texture, (%)	21 (51.2)	38 (40.4)	0.245
Pancreatic duct stent, (%)	32 (78.0)	59 (62.8)	0.081
Pathology, (%)			0.530
Pancreatic duct adenocarcinoma	8 (19.5)	27 (28.7)
Cholangiocarcinoma	12 (29.3)	26 (27.7)
Ampullary carcinoma	9 (22.0)	14 (14.9)
Duodenal carcinoma	3 (7.3)	7 (7.4)
Other malignances	4 (9.8)	7 (7.4)
Benign tumors	1 (2.4)	7 (7.4)
Chronic pancreatitis	2 (4.8)	5 (5.3)
Others	2 (4.8)	1 (1.1)