Fig. 2From: Effectiveness and safety of bifidobacteria and berberine in people with hyperglycemia: study protocol for a randomized controlled trialStandard Protocol Items: Recommendations for Interventional Trials (SPIRIT) Figure. Specific research plan and implementation steps. Note: Laboratory safety assessment assays were completed by sub-center laboratories, while the validity assessment laboratory assays and the intestinal indices were completed by the central laboratory. OGTT oral glucose tolerance test, BG blood glucose, SMBG self-monitoring of blood glucose, BMI Body Mass IndexBack to article page