BACKGROUND: Recent studies have shown inconsistent results about the association between body mass index (BMI) and gastrointestinal disorders. The aim of this study was to assess the association between BMI and gastrointestinal disorders in patients referred for endoscopy. METHODS: Consecutive patients received a questionnaire about gastrointestinal symptoms prior to upper gastrointestinal endoscopy. The association between BMI and gastrointestinal disease and related symptoms was determined by adjusted logistic regression analyses. RESULTS: A total of 1023 subjects were included, 303 (35%) subjects were overweight (BMI 25 to 30 kg/m2), an additional 118 (14%) subjects were obese (BMI >30 kg/m2). Overall, 42% of the patients experienced symptoms of gastro-oesophageal reflux disease (GERD ), 70% dyspepsia and 55% lower abdominal symptoms. In obese patients the prevalence of GERD was higher (52%) compared with normal weight (44%) and overweight (44%) (ns). Reflux oesophagitis was found in 13, 17 and 19% for normal weight, overweight and obese, hiatus hernia in 7, 9 and 11% and Barrett's oesophagus in 6, 7 and 8%, respectively. CONCLUSION: More than half the patients undergoing upper gastrointestinal (GI ) endoscopy were overweight or obese. In this patient population, no relation between BMI and GI disorders and symptoms was found. However, a small but statistically insignificant trend was observed toward obesity for patients with GERD-associated symptoms.
BACKGROUND: Recent studies have shown inconsistent results about the association between body mass index (BMI) and gastrointestinal disorders. The aim of this study was to assess the association between BMI and gastrointestinal disorders in patients referred for endoscopy. METHODS: Consecutive patients received a questionnaire about gastrointestinal symptoms prior to upper gastrointestinal endoscopy. The association between BMI and gastrointestinal disease and related symptoms was determined by adjusted logistic regression analyses. RESULTS: A total of 1023 subjects were included, 303 (35%) subjects were overweight (BMI 25 to 30 kg/m2), an additional 118 (14%) subjects were obese (BMI >30 kg/m2). Overall, 42% of the patients experienced symptoms of gastro-oesophageal reflux disease (GERD ), 70% dyspepsia and 55% lower abdominal symptoms. In obesepatients the prevalence of GERD was higher (52%) compared with normal weight (44%) and overweight (44%) (ns). Reflux oesophagitis was found in 13, 17 and 19% for normal weight, overweight and obese, hiatus hernia in 7, 9 and 11% and Barrett's oesophagus in 6, 7 and 8%, respectively. CONCLUSION: More than half the patients undergoing upper gastrointestinal (GI ) endoscopy were overweight or obese. In this patient population, no relation between BMI and GI disorders and symptoms was found. However, a small but statistically insignificant trend was observed toward obesity for patients with GERD-associated symptoms.
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