Application of air insufflation to prevent clinical pancreatic fistula after pancreaticoduodenectomy

Table 1 Baseline demographics

	AIT group(n = 46)	Non-AIT group(n = 65)	P value
Age (yr)	55.3 ± 11.5	58.1 ± 7.8	0.15
Gender			0.64
Male	24	31
Female	22	34
Main presenting symptom
Jaundice	25	35	0.96
Abdominal pain	10	24	0.09
Cholangitis	3	8	0.50
ASA			0.64
II	41	56
III	5	9
Preoperative ALT	226.0 ± 204.2	193.6 ± 205.0	0.41
Preoperative AST	150.2 ± 152.1	138.3 ± 150.7	0.68
Preoperative bilirubin (μmol/L)	189.0 ± 171.9	137.11 ± 131.8	0.08
Preoperative albumin (g/L)	66.2 ± 8.5	65.8 ± 7.8	0.81
Presence of comorbid illness	23	27	0.38
Mellitus diabetes	8	4	0.06
Chronic pulmonary disease	2	4	0.68
Artery hypertension	9	13	0.96
Coronaropathy	4	6	1.00
Preoperative biliary drainage			0.60
Yes	21	33
No	25	32
Smoking	13	14	0.42

ASA: American Society of Anesthesiologists; ALT: Alanine aminotransferase; AST: Aspartate transaminase; AIT: Air insufflation test.