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Table 4 Patients and tumor characteristics. Intraoperative data and postoperative courses according to the pancreatic zone classification risk of POPF

From: A pancreatic zone at higher risk of fistula after enucleation

 

Zone #1

Zone #2

P value

zone#1 vs zone #2

Zone #3

P value

zone#1 + 2 vs zone #3

Tumor located in the corresponding zone but patient underwent standard pancreatectomy according to intraoperative decision (%)*

1 (5)

5 (36)

.027

1 (5)

ns

n (%)

20 (43)

9 (19)

18 (38)

Male gender (%)

3 (15)

1 (11)

ns

2 (11)

ns

Age (years old)

53

52

ns

56

ns

BMI (kg/m2)

22.8

21.5

ns

25.4

ns

Distance to Wirsung (mm)

 < 2 mm (%)

7 (35)

4 (44)

ns

10 (56)

ns

 > 2 mm (%)

13 (65)

5 (56)

ns

8 (44)

ns

Tumor morphology

 Cystic (%)

10 (50)

5 (56)

ns

10 (56)

ns

 Solid (%)

10 (50)

4 (44)

ns

8 (44)

ns

Tumor size (mm)

22

25

ns

22

ns

Laparoscopic approach

8 (40)

2 (22)

ns

1 (6)

.03

Operative duration (min)

170

180

ns

220

.016

POPF

 Grade A (%)

5 (25)

0

ns

3 (17)

ns

 Grades B and C (%)

3 (15)

2 (22)

ns

10 (56)

.01

 Total (%)

8 (40)

2 (22)

ns

13 (72)

.017

 Hemorrhage (%)

0

1 (11)

ns

3 (17)

ns

 Reintervention (%)

0

1 (11)

ns

4 (22)

ns

DINDO morbidity

 Grades 3–4 (%)

3 (15)

5 (56)

ns

8 (44)

ns

 Overall (%)

8 (40)

5 (56)

ns

16 (89)

ns

 Perioperative transfusion (%)

0

0

ns

4 (22.2)

ns

 Length of hospital stay (days)

13

15

 

23

.04

 Readmission (%)

0

0

ns

3 (17)

ns

  1. vs versus, BMI body mass index, POPF postoperative pancreatic fistula 
  2. *These patients are not comprised in our study population