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Table 2 Comparison of pre-, intra-, and postoperative status between patients with and without POPF after distal pancreatectomy

From: The pancreas-to-muscle signal intensity ratio on T1-weighted MRI as a predictive biomarker for postoperative pancreatic fistula after distal pancreatectomy: a single-center retrospective study

  

Patients with POPF

(n=29)

Patients without POPF

(n=88)

p-value

Preoperative

Age (years)

67 (40–82)

67 (11–84)

0.87

Sex

 Male

18 (62.1)

50 (56.8)

0.67

 Female

11 (37.9)

38 (43.2)

BMI (kg/m2)

23.6 (17.6–32.2)

22.4 (16.2–32.2)

0.37

Pancreatic ductal adenocarcinoma

12 (41.4)

43 (48.9)

0.53

Location

 Body

14 (48.3)

54 (61.4)

0.28

 Tail

15 (51.7)

34 (38.6)

Pancreas-to-muscle SIR on T1-w MRI

1.64 (1.25–2.68)

1.35 (0.74–2.16)

<0.01

Intraoperative

Operative time (min)

284 (174–537)

264 (143–564)

0.13

Blood loss (ml)

190 (10–1910)

260 (0–1840)

0.84

Surgical procedure

 Open

23 (79.3)

60 (68.2)

0.35

 Laparoscopic

6 (20.7)

28 (31.8)

 Spleen preserving

3 (10.3)

15 (17.1)

0.56

 Non-spleen preserving

26 (89.7)

73 (82.9)

Resection procedure

 Hand-sewn

11 (37.9)

36 (40.9)

0.83

 Stapler

18 (62.1)

52 (59.1)

Pancreas texture

 Soft

21 (72.4)

54 (61.4)

0.37

 Hard

8 (27.6)

34 (38.6)

Pancreas thickness (mm)

11 (8–17)

12 (3–24)

0.46

Postoperative

D-Amy levels (U/l)

 POD 1

7652 (108–34076)

1899 (42–61075)

0.02

 POD 3

1290 (42–16515)

403 (35–43873)

<0.01

WBC (×103/μl)

 POD 1

12.6 (7.5–26.5)

11.1 (5.3–18.2)

<0.01

 POD 3

13.3 (5.9–26.9)

11.3 (3.9–23.9)

0.048

CRP (mg/dl)

 POD 1

9.3 (1.8–15.4)

8.3 (0.2–17.5)

0.16

 POD 3

20.1 (8.0–33.5)

14.5 (0.3–26.5)

<0.01

Body temperature (°C)

 POD 1

38.0 (37.1–39.4)

38.0 (36.9–39.3)

0.55

 POD 3

37.4 (36.1–38.9)

37.4 (36.2–39.4)

0.30

Heart rate (bpm)

 POD 1

98 (81–142)

92 (61–122)

0.07

 POD 3

88 (72–111)

82 (56–119)

<0.01

  1. Data are expressed as median (range) or number of patients
  2. POPF Postoperative pancreatic fistula, BMI Body mass index, pancreas-to-muscle SIR on T1-w MRI the pancreas-to-muscle signal intensity ratio on unenhanced T1-weigthed magnetic resonance imaging, D-Amy drainage fluid amylase concentration, POD Postoperative day, WBC White blood cell, CRP C-reactive protein
  3. p< 0.05