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Table 2 Summary of OR with 95% CIs for comparison of all vacA genotypes with each other

From: Association of Helicobacter pylori vacA genotypes and peptic ulcer in Iranian population: a systematic review and meta-analysis

vacA genotypes

Odds Ratio

Heterogeneity

Egger’s regression

95% CIs

p value

Q-value

I2-squared

s1

0.35; 0.28–0.44

0.00

69.13

75.40

0.12

s2

1.21; 0.86–1.62

0.20

30.42

53.98

0.23

m1

1.36; 1.03–1.80

0.026

62.68

72.88

0.02

m2

0.42; 0.34–0.53

0.00

97.55

81.54

0.05

s1m1

1.33; 1.00–1.76

0.046

52.54

65.74

0.46

s1m2

0.73; 0.60–0.90

0.003

58.24

69.09

0.02

s2m1

4.81; 2.82–8.20

0.00

8.48

0.00

0.53

s2m2

1.28; 0.94–1.72

0.10

25.40

37.02

0.03