Error in Results Data

In the Research Letter titled “Association of Smoking and Cumulative Pack-Year Exposure With COVID-19 Outcomes in the Cleveland Clinic COVID-19 Registry,”¹ published online January 25, 2021, there was an error in data reported in the Results section. For heavy smokers who were 1.89 times more likely to die following a coronavirus disease 2019 diagnosis, the correct 95% CI is 1.29 to 2.76. The article has been corrected online.