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Table 2: Hemodynamics using duplex sonography in control subjects
Right Left P Value
OA 
    RI 0.89 ± 0.08 0.89 ± 0.07 .81
    PSV 54 ± 21 52 ± 22 .59
    EDV 6 ± 5 6 ± 4 .92
ECA 
    RI 0.87 ± 0.06 0.85 ± 0.05 .18
    PSV 71 ± 17 69 ± 19 .42
    EDV 10 ± 4 10 ± 4 .52
CCA 
    RI 0.72 ± 0.06 0.71 ± 0.07 .70
    PSV 75 ± 17 77 ± 16 .45
    EDV 21 ± 6 22 ± 6 .46
Note:—EDV indicates end diastolic velocity (centimeters/second); PSV, peak systolic velocity (cm/s); RI, resistance index.