The rates of iron deficiency and iron deficiency anemia in the H pylori positive group were 62.5% and 35.7%, respectively, higher than that in the H pylori negative group of 38.6% and 8.0% with an OR of 2, 978 (1.826 - 4.857) and 6, 411 (3.293 - 12, 480) (p <0.001) respectively.