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Greater reductions in A1C in type 2 diabetic patients new to therapy with glyburide/metformin tablets as compared to glyburide co‐administered with metformin

Lawrence Blonde, Jenifer Wogen, Charles Kreilick, Andrea Ann Seymour

Diabetes Obesity and Metabolism, 2003

950 participants · 75 citations

Abstract

BACKGROUND: A cohort of patients with type 2 diabetes, prescribed glyburide/metformin tablets, experienced significantly greater improvements in glycaemic control compared to patients receiving glyburide co-administered with metformin. AIM: To compare the change in A1C for type 2 diabetic patients new to combination therapy with fixed-dose glyburide/metformin tablets vs. glyburide co-administered with metformin in a usual-care setting. METHODS: This retrospective cohort study analysed medication usage via an administrative pharmacy claims database and the patients' corresponding laboratory results. Patients were new to antidiabetic combination therapy with glyburide/metformin tablets or glyburide co-administered with metformin between August 2000 and July 2001 and had A1C measurements at baseline and within 76-194 days of initiating combination therapy. The change from baseline in A1C was analysed using statistical regression to adjust for significant covariates (baseline A1C and dosage). Adherence with therapy was also compared. RESULTS: The cohort consisted of 950 patients who received glyburide/metformin tablets and 471 taking glyburide co-administered with metformin. Glyburide/metformin patients were younger (mean age = 56 vs. 60 years, p /= 8 experienced a significantly (p /= 8%.

How strong is the evidence?

Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 950 participants or records.

How the five levels of evidence work. The level is assigned automatically from the abstract and can be wrong, so check the paper.

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