Application of single-layer mucosa-to-mucosa pancreaticojejunal anastomosis in pancreaticoduodenectomy

Table 4 Comparison of patient data in the two groups, n

Item	Single-layer anastomosis group	Double-layer anastomosis group	P-value
Gender	Female: 21	Female: 19	0.6850
	Male: 30	Male: 32
Age	> 60 yr: 24	> 60 yr: 25	0.8429
	≤ 60 yr: 27	≤ 60 yr: 26
Hypertension	Yes: 6	Yes: 13	0.0750
	No: 45	No: 38
Diabetes mellitus	Yes: 10	Yes: 4	0.0843
	No: 41	No: 47
Drinking history	Yes: 14	Yes: 16	0.6638
	No: 37	No: 35
Smoking history	Yes: 13	Yes: 14	0.8224
	No: 38	No: 37
Abdominal surgery history	Yes: 5	Yes: 8	0.3731
	No: 46	No: 43
Preoperative biliary drainage	Yes: 13	Yes: 10	0.4772
	No: 38	No: 41
BMI	> 25: 13	> 25: 17	0.3847
	≤ 25: 38	≤ 25: 34
Total bilirubin	> 171 μmol/L: 16	> 171 μmol/L: 10	0.1728
	≤ 171 μmol/L: 35	≤ 171 μmol/L: 41
Serum albumin	≥ 35 g/L: 40	≥ 35 g/L: 47	0.0503
	< 35 g/L: 11	< 35 g/L: 4 cases
Blood glucose	> 6.1 mmol/L: 19	> 6.1 mmol/L: 24	0.3161
	≤ 6.1 mmol/L: 32	≤ 6.1 mmol/L: 27
Disease composition	Pancreatic head: 11	Pancreatic head: 16	0.5418
	Duodenum and papilla: 16	Duodenum and papilla: 14
	Ampulla: 5	Ampulla: 5
	Distal bile duct: 19	Distal bile duct: 14
Surgical method	PD: 20	PD: 16	0.4072
	PPPD: 31	PPPD: 35
Braun anastomosis	Yes: 5	Yes: 2	0.2400
	No: 46	No: 49
Pancreatic texture	Soft: 27	Soft: 24	0.7918
	Normal or mild fibrosis: 14 Hard: 10	Normal or mild fibrosis: 17 Hard: 10
Pancreatic duct diameter	> 3 mm: 30	> 3 mm: 26	0.4261
	≤ 3 mm: 21	≤ 3 mm: 25
Intraoperative blood transfusion	Yes: 4	Yes: 1	0.3590
	No: 47	No: 50

BMI: Body mass index; PD: Pancreaticoduodenectomy; PPPD: Pylorus-preserving pancreaticoduodenectomy.