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Table 4 Associations between transcranial Doppler and left carotid artery plaques

From: Assessment of intracranial vessels in association with carotid atherosclerosis and brain vascular lesions in rheumatoid arthritis

TCD variable Presence of plaque (n = 18) Absence of plaque (n = 23) p Value
Right PI(a) 0.92 ± 0.17 0.77 ± 0.12 0.002
Right RI(r) 0.61 ± 0.07 0.56 ± 0.07 0.021
Right RI(a) 0.59 ± 0.09 0.53 ± 0.05 0.007
Left PI(a) 0.94 ± 0.18 0.79 ± 0.17 0.032
Left PI(h) 1.23 ± 0.29 0.94 ± 0.25 0.021
Left RI(a) 0.61 ± 0.10 0.53 ± 0.07 0.022
  1. Abbreviations: PI Pulsatility index, RI Resistivity (resistance) index, TCD Transcranial Doppler