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Table 3 Antral histological scores for the dupA matched groups

From: The Helicobacter pylori duodenal ulcer promoting gene, dupAin China

  Chronic inflammation Acute inflammation Atrophy Intestinal metaplasia
dupA+     
   Mean 2.36 1.31 0.74 0.49
   Range 2–3 0–3 0–3 0–3
   Median 2 1 1 0
dupA-     
   Mean 2.24 1.3 0.63 0.47
   Range 1–3 0–2 0–3 0–3
   Median 2 1 0 0
Z -1.92 -0.066 -0.956 -0.06
P 0.058 0.948 0.339 0.952
  1. The individual grades for each histological feature were used in a Mann-Whitney U test to explore difference