Association between serum vitamin D levels and cytotoxic-associated gene A seropositivity: a cross-sectional study in US adults from NHANES III.

Objective: To assess the association of serum vitamin D (VD) levels and () cytotoxic-associated gene A (CagA) seropositivity, and further explore potential effect modifiers in this association.

Design: Cross-sectional study.

Setting: Data from phase I of the National Health and Nutrition Examination Survey (NHANES III, 1988-1991) led by the Center for Disease Control and Prevention.

Efficacy and safety of Qingre-Chushi therapies in active ulcerative colitis: A network meta-analysis.

Background: Ulcerative colitis (UC) is a chronic inflammatory disease with an increasing incidence in the world. Qingre-Chushi therapies (QC) can alleviate clinical symptoms. Therefore, a network meta-analysis was conducted to systematically evaluate the efficacy and safety of QC in the treatment of active UC patients.

Pharmacological treatments of Chinese herbal medicine for irritable bowel syndrome in adults: A network meta-analysis of randomized controlled trials.

Introduction: Plenty of clinical studies have suggested the value of Chinese herbal medicine (CHM) for patients with irritable bowel syndrome (IBS), but their efficacy and safety have not been systematically concluded yet. This article aimed to compare and rank the therapeutic effect and safety of CHM with routine pharmacotherapies and placebo in the treatment of IBS.

Methods: Randomized controlled trials regarding CHM to treat IBS were searched in six databases from inception to Jan 31, 2020.