Table 3 Univariate and multivariate analysis of risk factor for (a) all grade of postoperative pancreatic fistula and (b) grades B to C of postoperative pancreatic fistula

a)

POPF

(n = 23)%

No POPF

(n = 24)%

Univariate

P value

Odd ratio

[95% CI]

Multivariate

P value

Gender

–

–

 Male

8 (35)

4 (17)

.19

 Female

15 (65)

20 (83)

Age (years old)

52

56

.39

–

–

BMI (kg/m²)

24.6

22 .7

.17

–

–

Pancreatic zones

.03

2.03 [1.01–4.07]

.048

 1

8 (35)

12 (50)

 2

2 (9)

7 (29)

 3

13 (56)

5 (21)

Distance to main duct (mm)

–

–

 ≤ 2 mm

10 (44)

11 (46)

1

 > 2 mm

13 (46)

13 (54)

Tumor morphology

1

–

–

 Cystic

13 (47)

12 (50)

 Solid

10 (44)

12 (50)

Tumor size (mm)

24

22

.55

–

–

Laparoscopic approach

5 (22)

6 (25)

1

–

–

Operative duration (min)

205

180

.26

–

–

b)

POPF B/C

(n = 15)%

No POPF B/C

(n = 32)%

Univariate

P value

Odd ratio [95% CI]

Multivariate

P value

Gender

.16

–

–

 Male

6 (40)

6 (19)

 Female

9 (60)

26 (81)

Age (years old)

54

53

.85

–

–

BMI (kg/m²)

24.6

23.1

.32

–

–

Pancreatic zones

.02

2.06 [1.01–4.3]

.05

 1

3 (20)

17 (53)

 2

2 (13)

7 (22)

 3

10 (67)

8 (25)

Distance to main duct (mm)

.15

 ≤ 2 mm

9 (60)

12 (38)

–

–

 > 2 mm

6 (40)

20 (62)

Tumor morphology

.99

 Cystic

8 (53)

17 (53)

–

–

 Solid

7 (47)

15 (47)

Tumor size (mm)

22

22

.98

–

–

Laparoscopic approach

2 (13)

9 (28)

.27

–

–

Operative duration (min)

200

190

.53

–

–