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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2011 Sep 13;22(3):241–243. doi: 10.1016/j.jstrokecerebrovasdis.2011.08.004

Figure 1. Time Since Onset in Patients with Unwitnessed Onset.

Figure 1

The distribution of patients into time since onset categories is shown according to the methods of assigning time of onset (LKN, midpoint and FKA). A significant shift toward lower time since onset categories is observed.