PMID: 26900606Feb 24, 2016Paper

The Relationship between Metformin and Obstructive Sleep Apnea

Journal of Sleep Medicine and Disorders
Deborah LinJohn R Meurer

Abstract

This study aimed to assess if metformin had any associations with the prevalence of obstructive sleep apnea in an adult type 2 diabetes population in the Midwest. Use of metformin is associated with decreased prevalence of obstructive sleep apnea in a adult type 2 diabetes population. A retrospective secondary database analysis was carried out with metformin use by patients with type 2 diabetes as the primary variable of interest and obstructive sleep apnea status as the primary outcome. A sample population of 9,853 type 2 diabetes patients with one year of follow-up was used. Other variables that were analyzed included age, gender, race, hypertension, Congestive Heart Failure, Hemoglobin A1c (HbA1c), and Body Mass Index. A p-value of <0.01 was considered significant. Metformin usage was not significantly associated with obstructive sleep apnea prevalence (Odds Ratio: 1.17, Confidence Interval: 1.00-1.36, p = 0.049), but trended in the direction where metformin usage was associated with having obstructive sleep apnea. Lower HbA1c was found to be significantly associated with lower prevalence of obstructive sleep apnea (p <0.001). The rest of the variables followed previously published associations. Metformin therapy may improve...Continue Reading

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