Effect of overtime pancreaticoduodenectomy on the short-term prognosis of patients

Table 5 P values, odds ratios, and selected 95%CI for pancreatic fistula from univariate logistic regression models

Parameter	P value	Odds ratio	95%CI
Age (yr)	0.474	1.011	0.981-1.042
Male	0.068	1.986	0.951-4.149
BMI (kg/m2)	0.036	1.113	1.007-1.229
ASA classification
Ι	0.723	0.733	0.132-4.066
ΙΙ	0.373	1.532	0.599-3.920
ΙΙΙ		Reference
History of hepatobiliary and pancreatic disease	0.368	0.669	0.278-1.607
Diabetes	0.368	0.669	0.278-1.607
Hypertension	0.071	1.813	0.950-3.460
Coronary artery disease	0.905	1.073	0.339-3.396
Cerebrovascular disease	0.714	0.786	0.218-2.837
Preoperative total bilirubin	0.324	1.001	0.999-1.003
Primary site
Pancreas	0.581	0.777	0.317-1.905
Bile duct	0.087	2.063	0.899-4.735
Duodenum	Reference
Surgeon
A	0.44	1.482	0.545-4.030
B	0.55	0.757	0.303-1.888
C	0.308	0.605	0.231-1.589
D	0.053	0.127	0.016-1.028
E	0.076	0.339	0.103-1.119
F		Reference
Overtime case	0.006	2.592	1.312-5.122
Reconstruction technique
Roux-en-Y		Reference
Child surgery	0.743	1.113	0.586-2.114
Pancreaticojejunostomy technique
Duct-to-mucosa	0.572	1.217	0.617-2.4
Invagination		Reference

BMI: Body mass index.