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Table 2 Comparison of the Hp and uninfected groups

From: Endoscopic features of oxyntic gland adenoma and gastric adenocarcinoma of the fundic gland type differ between patients with and without Helicobacter pylori infection: a retrospective observational study

  Hp group Uninfected group p value
n % n %
Sex      0.550
 Male 59 66.3 37 71.2  
 Female 30 33.7 15 28.8  
Mean age ± SD, years 68.1 ± 8.1   63.4 ± 8.7   0.002
No. of lesions      0.091*
 1 80 89.9 51 98.1  
 2 8 9.0 0 0.0  
 4 1 1.1 1 1.9  
Mean size ± SD, mm 6.4 ± 4.5   6.6 ± 4.1   0.728
Depth of invasion      0.541
 T1a (oxyntic gland adenoma) 56 56.0 27 49.1  
 T1b (GA-FG) 42 42.0 25 45.5  
 Not available 2 2.0 3 5.5  
Location      0.001
 Fornix 26 26.0 28 50.9  
 Cardia 12 12.0 9 16.4  
 Body 62 62.0 17 30.9  
  Upper third of the body 30   10   
  Middle third of the body 26   4   
  Lower third of the body 6   3   
 Angle 0 0.0 1 1.8  
 Antrum 0 0.0 0 0.0  
 Pylorus 0 0.0 0 0.0  
Morphology      0.003§
 0–I 1 1.0 1 1.8  
 0–IIa 53 53.0 41 74.5  
 0–IIb 34 34.0 10 18.2  
 0–IIc 10 10.0 1 1.8  
 0–IIa + IIc 2 2.0 2 3.6  
 0–III 0 0.0 0 0.0  
Macroscopic appearance      < 0.001
 SEL-like 42 42.0 43 78.2  
 Non SEL-like 58 58.0 12 21.8  
Color      0.017
 Similar to the color of the peripheral mucosa 25 25.0 24 43.6  
 Reddish 11 11.0 9 16.4  
 Whitish 30 30.0 10 18.2  
 Yellowish–white 29 29.0 9 16.4  
 Yellowish 5 5.0 3 5.5  
Vascular dilatation on the surface      0.250
 Present 66 66.0 34 61.8  
 Absent 34 34.0 21 38.2  
Black pigmentation on the surface      0.822
 Present 15 15.0 9 16.4  
 Absent 85 85.0 46 83.6  
  1. The Hp group comprised patients with current Helicobacter pylori infection (active gastritis) and those with past infection (inactive gastritis). The uninfected group comprised H. pylori-uninfected patients
  2. SD standard deviation, GA-FG gastric adenocarcinoma of the fundic gland type, SEL subepithelial lesion
  3. *Solitary versus multiple lesions
  4. T1a versus T1b
  5. Fornix and cardia versus others
  6. §Elevated (0–I, 0–IIa, or 0–IIa + IIc) versus depressed (other)
  7. Similar to the color of the peripheral mucosa versus other