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Table 3 Relation of the prevalence of IP with gastroesophageal reflux parameters and with different categories of Barrett’s esophagus

From: The prevalence of gastric heterotopia of the proximal esophagus is underestimated, but preneoplasia is rare - correlation with Barrett’s esophagus

  Prevalence of IP in the condition Prevalence of the condition in patients with IP Prevalence of the condition in patients without IP Level of statistical significance (Fisher’s exact test, two-sided)
Number (%) Number (%) Number (%)  
Dominant reflux symptoms 15/93 (16%) 15 (27%) 78 (24%) p = 0.61
Hiatal hernia 13/83 (16%) 13 (24%) 70 (22%) p = 0.74
Reflux esophagitis 14/75 (19)% 14 (26%) 61 (19%) p = 0.25
CLE ≥ 0.5 cm 21/95 (22%) 21 (39%) 74 (23%) p = 0.02
CLE ≥ 3 cm 4/18 (22)% 4 (7%) 14 (4%) p = 0.31
CLE ≥ 0.5 cm with IM 7/30 (23%) 7 (13%) 23 (7%) p = 0.15
CLE ≥ 3 cm with IM 3/14 (21%) 3 (6)% 11 (4%) p = 0.44
  1. CLE columnar epithelium lined lower esophagus (endoscopic diagnosis)
  2. IM intestinal metaplasia (histopathologic diagnosis)
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