Table 2.

Crude and Risk-Adjusted Clinical Outcomes for Telemedicine vs. In-Person Outpatient Appointments, June–December 2020.

Clinical Outcome	Telemedicine Appointments (n = 412,936)	In-Person Appointments Ref, (n = 1,239,687)	Odds Ratio (95% CI)	Adjusted Odds Ratio (95% CI)a
30-Day Hospitalizations, No. (%)	8534 (2.1)	34,984 (2.8)	0.73 (0.71, 0.74)	0.72 (0.71, 0.74)
30-Day ED Visits, No. (%)	10,543 (2.6)	32,095 (2.6)	0.99 (0.96, 1.01)	1.00 (0.98, 1.02)

^aAdjusted for age and Charlson Comorbidity Index (CCI), which is a composite score used to predict one-year mortality. Components of CCI include myocardial infarction, congestive heart failure, peripheral vascular disease, cerebrovascular disease, dementia, chronic obstructive pulmonary disease, rheumatic disease, peptic ulcer disease, liver disease, diabetes, hemiplegia/paraplegia, renal disease, malignancy, HIV/AIDS.