“…Deckert et al indicated in 1978 that the prognosis of T1DM cases receiving treatment at specialized care from Steno Diabetes Center was favorable, suggesting the importance of guidance for care by specialists [12]. We reported in the Japanese DERI cohort that the mortality and incidence of end-stage renal disease (ESRD) in patients who had visited our center were lower than in those who had not [5], and the crude mortality in the survey was 1.95 per 1000 person-years. The findings observed in the present study likely extended the Deckert's findings.…”