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Table 2: Comparison of pre- and postprocedural Doppler flow parameters of ICA and CCA
Preprocedural Doppler Flow Postprocedural Doppler Flow P Value
ICA PSV (cm/s) 290 ± 57 77 ± 24 <.001
ICA EDV (cm/s) 109 ± 31 34 ± 10 <.001
ICA-CCA ratio 4.0 ± 2.1 1.4 ± 0.9 <.001
CCA PSV (cm/s) 121 ± 41 107 ± 15 .098
CCA EDV (cm/s) 31 ± 11 28 ± 7 .441
CCA RI 0.75 ± 0.38 0.77 ± 0.38 .631
Note:—RI indicates resistive index.

	Preprocedural Doppler Flow	Postprocedural Doppler Flow	P Value
ICA PSV (cm/s)	290 ± 57	77 ± 24	<.001
ICA EDV (cm/s)	109 ± 31	34 ± 10	<.001
ICA-CCA ratio	4.0 ± 2.1	1.4 ± 0.9	<.001
CCA PSV (cm/s)	121 ± 41	107 ± 15	.098
CCA EDV (cm/s)	31 ± 11	28 ± 7	.441
CCA RI	0.75 ± 0.38	0.77 ± 0.38	.631