After the publication of the original article [1], it was brought to our attention that a number of grammatical corrections had not been implemented as requested by the author. The title has been corrected from ‘Prevalence of resistant hypertension and associated factors for blood pressure control status with optimal medical therapy using Korean ambulatory blood pressure monitoring registry data’ to ‘Prevalence of resistant hypertension and associated factors for blood pressure control status using Korean ambulatory blood pressure monitoring registry data’. All corrections have now been updated on our website.