ERRATUM
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Please note that there is an error in Table 2 of the February 2015 article “Assessment of Intracranial Collaterals on CT Angiography in Anterior Circulation Acute Ischemic Stroke” by Yeo et al (*AJNR Am J Neuroradiol* 2015;36:[289–94](http://www.ajnr.org/lookup/doi/10.3174/ajnr.A4381), originally published on-line on October 16, 2014, doi:10.3174/ajnr.A4117). The population of patients with good collaterals by Miteff scoring with good outcomes has been switched with the population with poor outcomes. The corrected Table 2 is reproduced below with the corrected segment shown in bold. The authors apologize for the error.

View this table:
[Table 2:](http://www.ajnr.org/content/36/6/E52/T1)

Table 2: 
Determinants of functional outcome in patients with thrombolyzed acute ischemic stroke

*   © 2015 by American Journal of Neuroradiology