• Jacob K Quinton, Michael K Ong, Catherine Sarkisian, Alejandra Casillas, Sitaram Vangala, Preeti Kakani, and Maria Han.
• Division of General Internal Medicine and Health Services Research, Department of Medicine, University of California, 1100 Glendon Ave, Suite 900, Los Angeles, CA, 90024, USA. jquinton@mednet.ucla.edu.
• J Gen Intern Med. 2022 Apr 1; 37 (5): 119812031198-1203.

BackgroundThe impact of telemedicine on ambulatory care quality is a key question for policymakers as they navigate payment reform for remote care.ObjectiveTo evaluate whether utilizing telemedicine in the first 9 months of the COVID-19 pandemic impacted performance on a diabetes quality of care measure for patients at a large academic medical center. We hypothesized care quality would reduce less among telemedicine users.DesignQuasi-experimental design using binomial logistic regression. Covariates included age, gender, race, ethnicity, type of insurance, hierarchical condition category score, primary language at the individual level, and zip code-level income.ParticipantsAll adult patients younger than 75 years of age diagnosed with type 2 diabetes mellitus (N = 16,588) as of 3/19/2020 at a single academic health center.InterventionsCompletion of one or more telemedicine encounters with an institutional primary care physician or endocrinologist between 3/19/2020 and 12/19/2020.Main MeasuresThe components met in a five-item composite measure of diabetes quality of care, as of patients' last clinical encounter. Items were (1) systolic blood pressure less than 140 mmHg, (2) hemoglobin A1c less than 8.0%, (3) using a statin and (4) aspirin, and (5) tobacco non-use.Key ResultsFrom the pre- to post-period, the probability of meeting any given component of the composite measure for patients only utilizing in-person care was 21% lower (OR, 95% CI 0.79; 0.76, 0.81) and for the telemedicine users 2% lower (OR 0.98; 0.85, 1.13). There was an increased likelihood of meeting any given component among telemedicine users compared to in-person care alone (OR 1.25; 1.08, 1.44).ConclusionsPatients with diabetes utilizing telemedicine performed similarly on a composite measure of diabetes care quality compared to before the pandemic. Those not utilizing telemedicine had reductions. Telemedicine use maintained quality of care for patients with diabetes during the first 9 months of the COVID-19 pandemic.© 2022. This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply.

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