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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Systematic review of the relationship of Helicobacter pylori infection with geographical latitude, average annual temperature and average daily sunshine

Fig. 2

a Comparison of the prevalence of Helicobacter pylori infection between low and mid-to-high latitude zones (39.92% ± 21.15% vs. 52.56% ± 19.88%, *P = 0.05); b Comparisons of the prevalence of H. pylori infection in each 15°-latitude zone; c Comparison of the prevalence of H. pylori infection between developed and developing regions (43.48% ± 17.73% vs. 57.42% ± 21.76%, **P = 0.009); d Comparisons of the prevalence of H. pylori infection in developed countries and mid-to-high latitude zones, developing countries and mid-to-high latitude zones, developed countries and low latitude, developing countries and low latitude zones (P < 0.001)

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