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. 2019 Feb 14;19:157. doi: 10.1186/s12879-019-3787-8

Fig. 2.

Fig. 2

The association between serum bilirubin levels and H. pylori infection. a Proportion of subjects according to the quartiles of direct bilirubin. The percentages of each grade from higher to lower direct bilirubin levels were 28.4, 25.4, 22.4, 23.8% respectively in H. pylori overt negative group and 21.1, 27.9, 26.5, 24.5% respectively in H. pylori overt positive group. b Proportion of subjects according to the quartiles of total bilirubin. The percentages of each grade from higher to lower total bilirubin levels were 27.2, 25.1, 24.0, 23.7% respectively in H. pylori overt negative group and 21.8, 22.9, 28.7, 26.6% respectively in H. pylori overt positive group. HP, H. pylori