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Table 5 Prevalence of endoscopic abnormalities by Hp status, 309 CANHelp project participants with endoscopy data, 2008–2013

From: Burden of disease from Helicobacter pylori infection in western Canadian Arctic communities

 

Hp positive

Hp negative

(n = 224)

(n = 85)

n

%

95% CI

n

%

95% CI

Normal gastric mucosaa

177

79

74, 84

65

77

68, 86

Normal duodenal mucosa

204

91

87, 95

82

96

93, 100

Normal gastric and duodenal mucosaa

162

72

66, 78

62

74

64, 83

Esophagitis/esophageal erosions

19

8

5, 12

9

11

5, 19

Barrett’s esophagus

8

4

2, 7

6

7

3, 15

Gastric inflammation, erosions, or ulcersa

46

21

15, 26

17

20

12, 29

 Gastritisa

33

15

10, 19

10

12

5, 19

 Gastric erosionsa

17

8

4, 11

9

11

5, 19

 Gastric ulcera

6

3

1, 6

3

4

1, 10

Duodenal inflammation, erosions, or ulcers

20

9

5, 13

3

4

1, 10

 Duodenitis

16

7

4, 11

3

4

1, 10

 Duodenal erosions

3

1

0, 4

0

0

0, 4

 Duodenal ulcer

3

1

0, 4

0

0

0, 4

  1. Hp H. pylori, CI binomial Wald confidence interval (binomial exact CI for numerators < 10; one-sided binomial exact 97.5% CI for numerators of 0)
  2. aOne Hp-negative participant was missing gastric mucosa assessment, so the denominator is 84 for gastric abnormalities among Hp-negatives