In the article by An et al (An H, Ford AL, Chen Y, Zhu H, Ponisio R, Kumar G, Shanechi AM, Khoury N, Vo KD, Williams J, Derdeyn CP, Diringer MN, Panagos P, Powers WJ, Lee JM, Lin W. Defining the Ischemic Penumbra Using Magnetic Resonance Oxygen Metabolic Index. Stroke. 2015;46:982−988. DOI: 10.1161/STROKEAHA.114.008154.), which published online ahead of print on February 26, 2015, and appears in the April 2015 issue of the journal, several corrections were needed.
On page 983, in the Methods section, 2nd column, 14 lines from the bottom, “>10% were removed” has been changed to read, “>30% were removed.”
On page 983, in the Methods section, 2nd column, 5 lines from the bottom, “If >30% of OEF images” has been changed to read, “If >10% of OEF images.”
Table 3 was presented twice and alignment of Core IP and Not-at-Risk IP data was incorrect; the duplicate is now deleted and alignment corrected.
The author and publisher regret these errors.
These corrections have been made to the online and print version of the article, which is available at http://stroke.ahajournals.org/content/46/4/982.
- © 2015 American Heart Association, Inc.