Gastric precancerous conditions, Helicobacter pylori, and related risk factors among dyspeptic patients

Dataset is related to gastric precancerous conditions and Helicobacter pylori infection among dyspeptic patients in North-Eastern Iran, containing demographic data and clinical characteristics including data on the age, gender, past medical history (diabetes and hypertension in particular), tobacco use (daily smoking), alcohol use (daily drinker), opium addiction (daily user >6 months), taking non-steroidal anti-inflammatory drugs (NSAIDs) or aspirin using ≥1 tab for >1 month, family history of cancer (especially in first- and/or second-degree relatives