A follow-up study was conducted on 129 patients with type 2 diabetes who were unidirectionally referred from a base hospital to cooperating medical facilities. Data were obtained for a total of 104 patients. The patients had a mean period of 3.9±1.4 years since referral, a mean HbA1c at referral of 7.4±1.2%, and a mean most recent or final HbA1c at the facilities they had been referred to of 7.3±1.2%, which was virtually the same as the value at referral. There were no differences in HbA1c between patients referred to diabetes specialists and those referred to general practitioners. However, patients referred to specialists had a significantly higher rate of ophthalmological examination (75.6%) compared to those referred to general practitioners (57.6%) . After stabilization of glycemic control following initial treatment, a certain degree of glycemic control was maintained regardless of whether the primary physician was a specialist or a general practitioner, indicating no differences in glycemic control level. Specialists and general practitioners differ in regard to whether or not detailed management of complications, such as ophthalmological examinations, should be performed. These results provide important evidence for planning of diabetes management strategies in the community.
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