Patient portals are an important component for engaging patients in their own care. While providers are expected to implement patient portals to adhere to meaningful use guidelines, there has until recently been little research to demonstrate impact of the use of patient portals on patient care. This study leverages data from a regional diabetes clinic which contains record on over 44,000 registered diabetes patients. The data provide evidence that the frequency of use of a patient portal has a positive impact on clinical outcomes of diabetes patients
