In the article, “Effect of glycated hemoglobin index and mean arterial pressure on acute ischemic stroke prognosis after intravenous thrombolysis with recombinant tissue plasminogen activator”,[ which appears in Volume 97, Issue 49 of Medicine, the time range in the first sentence under 3.1. General information should be “From January 2012 to December 2017, 125 AIS patients received rt-PA intravenous thrombolysis.”