Application of air insufflation to prevent clinical pancreatic fistula after pancreaticoduodenectomy

Table 2 Intraoperative data and pathological diagnoses

	AIT group(n = 46)	Non-AIT group(n = 65)	P value
Operative factors
Combined vascular resection cases	1	2	1.00
Duration of operation (min)	372.9 ± 106.5	344.7 ± 86.4	0.13
Estimated blood loss (mL)	347.3 ± 195.7	289.7 ± 159.9	0.09
Blood transfusion cases	13	20	0.78
Pancreatic factors
Pancreatic duct diameter			0.76
≤ 3 mm	31	42
> 3 mm	15	23
Pancreatic texture			0.58
Soft	34	51
Hard	12	14
Pancreatic anastomosis technique			0.17
Duct to mucosa anastomosis	20	20
End to side invagination anastomosis	26	45
Pathological diagnoses			0.66
Malignant disease	39	57
Pancreatic carcinoma	11	17	0.79
Ampullar carcinoma	10	12	0.67
Cholangiocarcinoma	8	12	0.89
Duodenal carcinoma	10	16	0.72
Benign diseases	7	8

Data are expressed as mean ± SD. AIT: Air insufflation test.