Table 1

Clinical information

CharacteristicsCohort 1
Aspiration success (n=44)
Cohort 2Aspiration failure (n=32)p Value
No%No%
Age (years), mean66.574.10.025
Gender0.812
 Female2863.61959.4
 Male1636.41340.6
Race0.622
 White1840.91237.5
 African American818.2721.9
 Hispanic1125.01031.3
 Asian613.626.3
Mode of arrival0.838
 In-hospital920.5515.6
 ED1840.91340.6
 Transfer1738.61443.8
Wake-up CVA49.1412.50.714
NIHSS admission (mean)18.1618.880.646
IV tPA2147.71753.10.817
  • CVA, cerebral vascular accident; ED, emergency department; IV tPA, IV tissue plasminogen activator; NIHSS, National Institute of Health Stroke Scale.