Substitution of telemedicine for clinic visit during the COVID-19 pandemic of 2020: Comparison of telemedicine and clinic visit.

Aims/introduction: The purpose of this retrospective observational cohort study was to compare outpatient diabetes care and glycated hemoglobin (HbA1c) level during the coronavirus disease 2019 pandemic in 2020 with 2019, and to compare the glucose-lowering effect of telemedicine and clinic visits during the state of emergency in Japan declared from 7 April to 25 May (inter-period) 2020.

Materials And Methods: A total of 13 weeks before and after the inter-period were designated as the pre-period and post-period, respectively. The number of study participants who had clinic visits during the pre-period and the post-period were 3,333 in 2020 and 3,608 in 2019.