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Table 2 Postoperative complications before propensity score matching

From: Reduced-port robotic radical gastrectomy for gastric cancer: a single-institute experience

Clavien–Dindo classification Reduced-port Conventional four-port
I 1 9
II 2 9
IIIa 0 2
IIIb 0 0
IV 0 1
Details of complication  
Excessive abdomen pain 1 0
CVP infection 0 1
Pneumonia 1 4
Gastro-jejunal anastomotic leakage 1 0
Esophagojejunal anastomotic leakage 0 1
Dysuria 0 1
Nausea and vomiting 0 2
Delirium 0 2
Ischemic stroke 0 1a
Temporary hemodialysis 0 1b
Asthma attack 0 1
Intra-abdominal infection 0 2
Intra-abdominal abscess 0 1b
Delayed gastric emptying 0 1
Elevated liver enzymes 0 1
Postoperative ileus 0 2
  1. aGrade IV, bGrade III. CVP central venous catheter