Table 5 Univariate and multivariate analysis of independent factors for intraoperative blood loss

Sex, female/male

0.711 (0.256–1.977)

0.513

Age, > 70/ ≤ 70

1.167 (0.410–3.323)

0.773

BMI, ≥ 24.0/ < 24.0

0.705 (0.229–2.168)

0.542

Surgical type, LPD/OPD

0.250 (0.087–0.722)

0.010

0.333 (0.109–1.020)

0.054

Classification of the Heidelberg triangle, type II/type I

3.000 (1.027–8.762)

0.045

3.285 (1.031–10.472)

0.044

Tumor size (mm), > 20/ ≤ 20

5.600 (1.210–25.917)

0.028

6.521 (1.309–32.498)

0.022

ASA score, 2–3/1

 2

3.048 (0.369–25.200)

0.301

 3

1.200 (0.066–21.723)

0.902

Main pancreatic duct size (mm), > 3/ ≤ 3

0.857 (0.301–2.442)

0.773

CA19-9 (IU/mL), > 37.0/ ≤ 37.0

1.696 (0.582–4.938)

0.333

CEA (ng/mL), > 5.0/ ≤ 5.0

2.536 (0.815–7.891)

0.108

pN + , ± 

0.909 (0.321–2.576)

0.858

Histology, AC, DC/PHC

 AC

0.655 (0.168–2.555)

0.542

 DC

1.528 (0.359–6.501)

0.566