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Table 1 Demographic and clinical characteristics of the study population

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

  Total
(N = 853)
Sharp group
(n = 632)
Blunt group
(n = 221)
P value
Age, median (range), years 58 (19–96) 56 (19–96) 66 (24–94) < 0.001
Male gender 416 (48.8) 301 (47.6) 115 (52.0) 0.259
Underlying disorders     < 0.001
 Esophageal stricture 95 (11.1) 5 (0.8) 93 (42.1)  
  Corrosive esophageal stricture 54 (6.3) 3 (0.5) 51 (23.1)  
  Anastomosis site stricture 25 (2.9) 1 (0.2) 24 (10.9)  
  Post-radiation stricture 13 (1.5) 1 (0.2) 12 (5.4)  
  Unknown etiology 3 (0.4) 0 (0.0) 3 (1.4)  
 Esophageal malignancy 8 (0.9) 0 (0.0) 8 (3.5)  
 Post-variceal ligation scar 5 (0.6) 0 (0.0) 5 (2.3)  
 Esophageal diverticulum 2 (0.2) 0 (0.0) 2 (0.9)  
 Achalasia 2 (0.2) 0 (0.0) 2 (0.9)  
 Schatzki’s ring 1 (0.1) 0 (0.0) 1 (0.5)  
 Psychosocial problems 24 (2.8) 13 (2.1) 11 (5.0)  
Presenting symptoms     < 0.001
 Foreign body sensation 633 (74.2) 551 (87.2) 21 (9.5)  
 Dysphagia 104 (12.2) 10 (1.6) 94 (42.5)  
 Abdominal discomfort 55 (6.4) 42 (6.6) 13 (5.9)  
 Chest discomfort 19 (2.2) 18 (2.8) 1 (0.5)  
 Vomiting 10 (1.2) 1 (0.2) 9 (4.1)  
 Ileus 1 (0.1) 0 (0.0) 1 (0.5)  
 Asymptomatic 31 (3.6) 10 (1.6) 21 (9.5)