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Table 2 Characteristics of the foreign bodies in the upper gastrointestinal tract

From: Clinical outcomes of endoscopic removal of foreign bodies from the upper gastrointestinal tract

 

Total

(N = 853)

Inland area

(n = 412)

Coastal area

(n = 441)

p value

Location

   

0.038

 Pharynx

46 (5.4)

17 (4.1)

29 (6.6)

 

 Esophagus

744 (87.2)

355 (86.2)

389 (88.2)

 

  Upper

509 (68.2)

206 (57.7)

303 (77.9)

 

  Middle

137 (18.4)

96 (26.9)

41 (10.5)

 

  Lower

100 (13.4)

55 (15.4)

45 (11.6)

 

 Stomach

30 (3.5)

19 (4.6)

11 (2.5)

 

 Duodenum

8 (0.9)

4 (1.0)

4 (0.9)

 

 Jejunum

1 (0.1)

0 (0)

1 (0.2)

 

 Anastomosis site

24 (2.8)

17 (4.1)

7 (1.6)

 

Type of foreign body

   

< 0.001

 Fish bone

431 (50.5)

165 (40.0)

266 (60.3)

 

 Food bolus

140 (16.4)

80 (19.4)

60 (13.6)

 

 Shell

67 (7.9)

42 (10.2)

25 (5.7)

 

 Animal bone

56 (6.6)

34 (8.3)

22 (5.0)

 

 Drug package

50 (5.9)

29 (7.0)

21 (4.8)

 

 Beans or nuts

29 (3.4)

17 (4.1)

12 (2.7)

 

 Metal

19 (2.2)

12 (2.9)

7 (1.6)

 

 Stone

14 (1.6)

7 (1.7)

7 (1.6)

 

 Dental prosthesis

18 (2.1)

12 (2.9)

6 (1.4)

 

 Others§

29 (3.4)

14 (3.4)

15 (3.4)

 

Sharpness

632 (74.1)

288 (69.9)

344 (78.0)

0.007

  1. §Including batteries, coins, pencils, glass fragments, buttons, toothbrushes, and plastic materials