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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