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Table 2 Comparison of duplex parameters between symptomatic and asymptomatic side in MCA on admission

From: Duplex ultrasonography as prognostic tool of acute ischemic stroke patients

On admission MCA P value
Symptomatic side Asymptomatic side
PSV 50.7 ± 4.6 cm/s 96.3 ± 9.7 cm/s .00001*
EDV 12.0 ± 3.0 cm/s 33.1 ± 5.8 cm/s .00001*
RI 0.78 ± 0.05 0.56 ± 0.04 .00001*
PI 1.61 ± 0.09. 0.85 ± 0.11 .00001*
  1. (*) means statistacally significant