Retrospective analysis of delta hemoglobin and bleeding-related risk factors in pancreaticoduodenectomy

Table 8 Univariate regression analysis of perioperative delta hemoglobin

Parameter	B value	95%CI	P value
Age ≥ 65 years	-0.293	-4.804-4.219	0.899
History of diabetes	-3.663	-9.385-2.060	0.210
History of abdominal surgery	3.798	-2.369-9.966	0.227
Preoperative biliary drainage	-4.268	-9.924-1.389	0.139
ASA classification IV	73.919	43.926-103.911	< 0.001
BMI > 24 kg/m2	5.468	1.114-9.822	0.014
Malignant tumor	1.284	-4.916-7.485	0.685
Preoperative albumin < 35 g/L	0.778	-4.507-6.064	0.773
Pancreatic tumor	-0.076	-4.665-4.514	0.974
Pancreatic carcinoma	-0.469	-5.367-4.428	0.851
Ampulla of Vater carcinoma	1.670	-5.327-8.668	0.640
Preoperative total bilirubin > 200 μmol/L	11.975	7.011-16.938	< 0.001

CI: Confidence interval; ASA: American Society of Anesthesiologists; BMI: Body mass index.