What type of study is this?

This is a Cross-Sectional Study study.

Prevalence and demographic distribution of Helicobacter pylori infection among dyspeptic patients attending a tertiary care hospital in Bangladesh

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Cross-sectional analysis reveals high prevalence of H. pylori infection among dyspeptic patients, indicating age and gender influences.

The study found a prevalence of H. pylori infection in 67.7% of dyspeptic patients identified.
Most infected patients were aged 20–40 years, with a male predominance shown by a male-to-female ratio of 1.45:1.
Using PCR, H. pylori detection was superior compared to cultures, showing 74.6% positivity.
Endoscopic evaluations indicated normal findings in 40%, with antral gastritis being the most common abnormality at 31.5%.

Paul et al. (2025) studied this question.

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