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Table 1 Clinical parameters and early endoscopic findings of patients with varied corrosive gastrointestinal strictures

From: The effects of endoscopic-guided balloon dilations in esophageal and gastric strictures caused by corrosive injuries

  ES GOO ES + GOO P value
  (n = 18) (n = 7) (n = 11)  
Age, mean + SD (years) 44.5 ± 16.3 52 ± 16.9 47.3 ± 12.2 NS*
Male/Female 7/11 3/4 5/6 NS*
Acid/Alkali 15/3 7/0 11/0 NS*
Percentage of grade III injury
Esophagus (%) 7 (38.9) 3 (42.8) 6 (75) NS*
Stomach (%) 8 (44.4) 7 (100) 11 (100) 0.001
Duodenum (%)† 3 (16.7) 2 (33.3) 1 (20) NS*
  1. *no significance among varied groups.
  2. †operators refrained from forcing the scope through the pylorus in 7 cases because of severe gastric damage.
  3. Abbreviations: NS no significance; ES esophageal stricture; GOO gastric outlet obstruction; ES + GOO concurrent esophageal stricture and gastric outlet obstruction; SD standard deviation.