Table 1 General characteristics of the study population

Age*

(mean ± SD)

67.5 ± 12.5

years

62.2 ± 13.6

years

64.9 ± 13.3

years

Sex*

(female)

42

71.2%

30

50.8%

72

61.0%

H. pylori

(positive)

50

84.7%

49

83.1%

99

83.9%

CagA

(positive in total)

39

66.1%

38

64.4%

77

65.3%

(of H.pylori-positive)

78.0%

77.6%

77.8%

Localisation*

Cardia

21

35.6%

13

22.0%

34

28.8%

Corpus

21

35.6%

37

62.7%

58

49.2%

Antrum

17

28.8%

9

15.3%

26

22.0%

Proximal

30

50.8%

23

39%

53

44.9%

Distal

29

49.2%

36

61%

65

55.1%

Atrophy*

(positive)

33

55.9%

10

16.9%

43

36.4%

IM*

(positive)

51

86.4%

35

59.3%

86

72.9%

PG1

(median, range)

81.9 (4.2-699.8) ng/ml

127.9 (5.3-877.5) ng/ml

103.3 (4.2-877.5) ng/ml

PG2

(median, range)

13.9 (3.2-173.5) ng/ml

13.1 (2.5-73.1) ng/ml

13.5 (2.5-173.5) ng/ml

PG-ratio*

(median, range)

6.8 (0.4-25.8)

10.4 (1.6-26.7)

8.3 (0.4-26.7)

G17

(median, range)

13.8 (0.1-220.0) pM

12.8 (0.6-194.2) pM

13.4 (0.1-220.0) pM