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Table 4. 
Independent predictors of hypotension and bradycardia after CAS
VariableEnd PointPOR95% CI
Asymptomatic stenosisHypotension.033.41.24–2.30
Bradycardia.033.11.1–1.8
<10 mm to bifurcationHypotension.063.80.95–14.90
Drug intervention.022.91.2–7.2
Stenosis severityDrug intervention.061.15*1.00–1.34
Dilation percentageDrug intervention.021.17*1.03–1.33
  • Note:—OR indicates odds ratio; CI, confidence interval; CAS, carotid artery stent placement.
  • * Data are for every 5% increase in stenosis severity or dilation percentage.