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Table 2. Clinicopathologic comparison between Laparoscopic reduction group (Laparo group) and open reduction group (Open group)

From: A comparison of postoperative outcomes after open and laparoscopic reduction of Petersen's Hernia: a multicenter observational cohort study

Factors   Open group (N=25) Lapro group (N=15) P value
Age (years)   68.8 ± 10.4 55.7 ± 10.4 <0.001
Sex Male 19 13 0.68
Female 6 2  
Initial symptom Nausea 7 4 1.0
Vomiting 8 5 1.0
Pain 24 14 1.0
Periods between previous operation (month) 29.9 ± 56.5 25.4 ± 20.2 0.77
TNM stage of Gastric cancer* I 14 10 0.13
II 4 5  
III 2 0  
unknown 5 0  
Time duration between pain to hernia operation (hour) 40.0 ± 83.3 70.7 ± 116.4 0.35
Previous operation TG with RNY EJ 7 4 0.50
DG with B II 10 7  
DG with RNY 1 1  
DG with uncut RNY 2 2  
PG with double tract 2 0  
Unknown 3 0  
Previous approach method Laparoscopy 15 13 0.20
Open 6 1  
unknown 4 1  
Preop Laboratory WBC 10,025 ± 5.045 8,546 ± 2,768 0.30
ESR 23.7 ± 25.2 16.3 ± 13.9 0.39
CRP 5.5 ± 10.5 0.72 ± 1.1 0.03
  1. *AJCC TNM stage 8th edition, GIST gastrointestinal stromal tumor, TG total gastrectomy, RNY Roux-en Y, EJ esophagojejunostomy, B II Billroth II, PG proximal gastrectomy, WBC white blood cell, ESR erythrocyte sedimentation rate, CRP C-reactive protein