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Research Studies is a compilation of published research articles funded by 大象视频or authored by 大象视频researchers.

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1 to 4 of 4 Research Studies Displayed
Nakamoto CH, Cutler DM, Beaulieu ND
The impact of telemedicine on Medicare utilization, spending, and quality, 2019-22.
This study estimated the association of greater telemedicine use across health systems with utilization, spending, and quality. In 2020, Medicare patients receiving care in the highest quartile of telemedicine had 2.5 telemedicine visits per person (26.8 percent of visits) compared with 0.7 telemedicine visits per person (9.5 percent of visits) in the lowest quartile of telemedicine use. In 2021-2022, relative to those in the lowest quartile, Medicare patients of health systems in the highest quartile had an increase of 0.21 total outpatient visits (telemedicine and in-person) per patient per year (2.2 percent relative increase), a decrease of 14.4 annual non-COVID-19 emergency department visits per 1,000 patients per year (2.7 percent relative decrease), a $248 increase in per patient per year spending (1.6 percent relative increase), and increased adherence for metformin and statins. No clear differential changes in hospitalization or receipt of preventive care were found.
AHRQ-funded; HS024072.
Citation: Nakamoto CH, Cutler DM, Beaulieu ND . The impact of telemedicine on Medicare utilization, spending, and quality, 2019-22. Health Aff 2024 May; 43(5):691-700. doi: 10.1377/hlthaff.2023.01142..
Keywords: Telehealth, Health Information Technology (HIT), Medicare, Healthcare Utilization, COVID-19
Liu T, Zhu Z, Holmgren AJ
National trends in billing patient portal messages as e-visit services in traditional Medicare.
This study examined trends in billing patient portal messages in traditional Medicare. In 2020 the Centers for Medicare & Medicaid Services introduced online digital evaluation and management (E&M) codes for clinicians to address patient concerns asynchronously through patient portal messages. The authors identified e-visit services for 100% Medicare fee-for-service population from 2020 through 2022. Billing for e-visit services reached a peak of 728 monthly encounters per 100,000 beneficiaries during the initial onset of the COVID pandemic and stabilized to approximately 90 monthly encounters per 100,000 beneficiaries. Primary care provided billing more frequently than other specialties, accounting for over 50% of all billed e-visits during the study period. Fewer beneficiaries lived in rural areas compared with beneficiaries using telehealth and in-person care, but otherwise shared similar demographic characteristics. Hypertension was the most common diagnosis (21%), followed by diabetes (2.3%) and COVID-19 (2%).
AHRQ-funded; HS028397.
Citation: Liu T, Zhu Z, Holmgren AJ . National trends in billing patient portal messages as e-visit services in traditional Medicare. Health Affairs Scholar 2024 Apr; 2(4):qxae040. doi: 10.1093/haschl/qxae040..
Keywords: Telehealth, Health Information Technology (HIT), Medicare, COVID-19
Andino JJ, Zhu Z, Surapaneni M
Interstate telehealth use by Medicare beneficiaries before and after COVID-19 licensure waivers, 2017-20.
This study analyzed trends in interstate telehealth use by Medicaid beneficiaries during 2017-2020, which covers the period both directly before and during the first year of the pandemic. Although the volume of interstate telehealth use increased in 2020, out-of-state telehealth only made up 0.8% of all outpatient visits, and 5% of all telehealth visits overall. For individual states, out-of-state telehealth made up between 0.2-9.3% of all outpatient visits. Most out-of-state telehealth visits were used for established patient care, and a higher percentage of out-of-state telehealth users lived in rural areas compared with beneficiaries who stayed with in-state care (28% versus 23%).
AHRQ-funded; HS027632.
Citation: Andino JJ, Zhu Z, Surapaneni M . Interstate telehealth use by Medicare beneficiaries before and after COVID-19 licensure waivers, 2017-20. Health Aff 2022 Jun;41(6):838-45. doi: 10.1377/hlthaff.2021.01825.
AHRQ-funded; HS027632..
Keywords: Telehealth, COVID-19, Health Information Technology (HIT), Medicare, Healthcare Delivery
Roberts ET, Mehrotra A
Assessment of disparities in digital access among Medicare beneficiaries and implications for telemedicine.
In this study, the investigators examined disparities in digital access (ie, access at home to technology that enables video telemedicine visits) among Medicare beneficiaries by socioeconomic and demographic characteristics. The investigators concluded that the proportion of beneficiaries who lacked digital access was higher among those with low socioeconomic status, those 85 years or older, and in communities of color.
AHRQ-funded; HS026727.
Citation: Roberts ET, Mehrotra A . Assessment of disparities in digital access among Medicare beneficiaries and implications for telemedicine. JAMA Intern Med 2020 Oct;180(10):1386-89. doi: 10.1001/jamainternmed.2020.2666..
Keywords: Elderly, Medicare, Telehealth, Health Information Technology (HIT), Disparities, Access to Care, Social Determinants of Health, Low-Income, Racial and Ethnic Minorities

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