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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

Complication

UGIS

CT

Chi-square

 

No.

%

No.

%

χ2

P

Leakage

2

100.0

2

100.0

0.000

1.000

Perigastric collection and hematoma

0

0.0

3

100.0

2.667

0.103

Internal hernia.

0

0.0

14

100.0

24.143

< 0.001

Intestinal obstruction

0

0.0

6

100.0

8.333

0.004

intussusception

0

0.0

6

100.0

8.333

0.004

luminal narrowing

1

100.0

1

100.0

0.000

1.000

Distended bowel and weight gain

2

100.0

2

100.0

0.000

1.000

Gastroesophageal spasm

1

100.0

1

100.0

0.000

1.000

  1. This table shows a statistically significant difference between UGIS and CT regarding to internal hernia, intestinal obstruction, and intussusception