The average numbers (mean ± SD) of (A) glandular (G)‐type, (B) gastric and intestinal mixed (GI)‐type and (C) intestinal (I)‐type glandular ducts in Hp(–)‐50‐week (n = 8), Hp(+)‐50‐week (n = 10), Hp(+)‐75‐week (n = 6), and Hp(+)‐100‐week (n = 9) cases. *P < 0.05, **P < 0.005 vs the average Hp(–)‐50‐week number.