Data on 26,496 diabetes patients showed those who visited their primary care providers once every one to two weeks were more likely to gain better control of hemoglobin A1c, blood pressure and low-density lipoprotein cholesterol levels compared with those who visited less frequently. The analysis in the Archives of Internal Medicine also showed the time to achieve hemoglobin A1c targets increased 35% for every doubling of the time between physician visits for patients not receiving insulin, and 17% for patients receiving insulin.

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