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Table 2 Risk of recurrent ipsilateral ischemic stroke at 2, 7, and 14 days after the presenting event for each of the parameters in the ABCD3 score

From: Prediction of recurrent stroke with ABCD2 and ABCD3 scores in patients with symptomatic 50-99% carotid stenosis

  Pat 2 days 7 days 14 days P-value
   n Risk n Risk n Risk
Age <60 years 19 1 5% (0-15%) 1 5% (0-15%) 2 11% (0-25%) p = 0.95
Age ≥60 years 211 11 5% (2-8%) 17 8% (4-12%) 23 11% (7-16%)  
Blood Pressure <140/90 46 5 11% (2-20%) 7 15% (5-26%) 8 17% (6-28%) p = 0.10
Blood Pressure ≥140/90 184 7 4% (1-7%) 11 6% (2-10%) 17 10% (5-14%)  
Clinical presentation: Other 64 2 3% (0-7%) 2 3% (0-7%) 2 3% (0-7%) p = 0.06
Clinical presentation: Speech disturbance 17 1 6% (0-17%) 3 18% (0-37%) 3 18% (0-37%)  
Clinical presentation: Focal weakness 149 9 6% (2-10%) 13 9% (4-13%) 20 14% (8-20%)  
Duration <10 min* 59 2 3% (0-8%) 2 3% (0-8%) 4 7% (0-14%) p = 0.45
Duration 10-59 min* 36 2 6% (0-13%) 5 14% (3-25%) 5 14% (3-25%)  
Duration ≥60 min* 130 8 6% (2-10%) 11 9% (4-13%) 16 13% (7-18%)  
Diabetes: Absent 168 9 5% (2-9%) 13 8% (4-12%) 18 11% (6-16%) p = 0.91
Diabetes: Present 62 3 5% (0-10%) 5 8% (1-15%) 7 12% (3-20%)  
Dual events: Absent 183 10 5% (2-9%) 14 8% (4-12%) 19 11% (6-15%) p = 0.61
Dual events: Present 47 2 4% (0-10%) 4 9% (0-17%) 6 14% (3-25%)  
  1. *5 cases excluded because of unknown duration of the presenting event.
  2. Risk data derived from Kaplan-Meier analyses using CEA as a censor.