Abstract
Background: A retrospective and descriptive study of confirmed Helicobacter pylori (HP) cases were observed for the prevalence of HP infection in Majmaah area with respect to age and gender of the subjects and seasonal variation. Furthermore, the association of HP with a number of other chronic diseases was also correlated.

Methodology: Data for 276 confirmed HP cases were retrieved from King Khalid Hospital (KKH) in Majmaah City (Riyadh Region, KSA) between 2011 and 2015 and analyzed retrospectively with respect to the gender and age of the patients and seasonal variation in HP prevalence in different months of the year was also observed. Association of HP with other chronic diseases like diabetes and hypertension was also investigated. Descriptive and inferential statistics were also calculated for all data.

Results: This retrospective descriptive study revealed that prevalence of HP during five years, there were 276 HP confirmed cases. On an average, most cases were diagnosed during the first five calendar months, starting from January through May. The maximum number of 38 cases of HP infection was observed in May followed by 36 cases in March. On the other hand, the minimum number of cases was reported in July with only 6 cases followed by June with 12 cases.

Conclusion: Out of the estimated total number of annual visitors (75420) to KKH, 276 symptomatic HP infected patients were confirmed over five years. The number of cases identified was 2, 160, 84, and 30 in the age group 0-14, 15-39, 40-64, and ≥ 65 years respectively. Hypertension was found to increase with age, whereas the diabetes was not linear with increasing age.