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Table 4 Comparison of UGIS and CT in the detection of Roux-en-Y gastric bypass postoperative complications (N = 35)

From: Value of contrast-enhanced multidetector computed tomography in imaging of symptomatic patients after laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy

ComplicationUGISCTChi-square
 No.%No.%χ2P
Leakage2100.02100.00.0001.000
Perigastric collection and hematoma00.03100.02.6670.103
Internal hernia.00.014100.024.143< 0.001
Intestinal obstruction00.06100.08.3330.004
intussusception00.06100.08.3330.004
luminal narrowing1100.01100.00.0001.000
Distended bowel and weight gain2100.02100.00.0001.000
Gastroesophageal spasm1100.01100.00.0001.000
  1. This table shows a statistically significant difference between UGIS and CT regarding to internal hernia, intestinal obstruction, and intussusception