Introduction:

Among the most common gastrointestinal diseases there is the gastritis.

Objective:

To determine the risk factors associated with this disorder.

Method:

A cases and controls study was carried out which included patients older than 18 years, assisted in the Family Medicine Service of the hospital from the Ecuadorian Institute of Social security in Ambato, during 2016. These patients were randomly included with a relationship of 1:2 (100 cases every 200 controls). The statistical analysis was based on a multivariate strategy, odds ratio, relative risk, the confidence intervals to 95 % and the Chi squared test with a level of statistical significance of P <0,05.

Results:

The most frequent risk factors were: infection due to Helicobacter pylori, age lower than 50 years, tabaquism, alcoholism and stress.

Conclusions:

Risk factors should be early detected to diminish the incidence and prevalence of gastritis.

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