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Table 3 Associations between transcranial Doppler/carotid parameters and other variablesa

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

Parameter 1 Parameter 2 B (95% CI) β p Value
Right PI(r) Age 0.007 (0.002–0.013) 0.384 0.011
Right RI(r) Age 0.004 (0.002–0.006) 0.508 0.001
Right PI(h) BMI 0.024 (0.006–0.042) 0.410 0.011
Right RI(h) Age 0.004 (0.002–0.007) 0.456 0.002
Left PI(r) Age 0.009 (0.002–0.017) 0.447 0.012
Left RI(r) Age 0.004 (0.001–0.007) 0.459 0.011
Left PI(a) DAS28 0.086 (0.013–0.159) 0.368 0.023
Left PI(h) CRP 0.028 (0.005–0.050) 0.442 0.016
DAS28 0.087 (0.008–0.166) 0.372 0.032
Left RI(h) HDL-C −0.104 (−0.203–0.006) −0.415 0.039
Basilar PI Age 0.008 (0.002–0.014) 0.325 0.010
Right CRC DAS28 −4.633 (−9.047–0.219) −0.326 0.040
Right cIMT BMI 0.002 (0–00.3) 0.306 0.015
  1. Abbreviations: β Standardised linear coefficient, B (+95% CI) Regression coefficient, BMI Body mass index, CRP C-reactive protein, CRC Cerebrovascular reserve capacity, DAS28 28-joint Disease Activity Score, HDL-C High-density lipoprotein cholesterol, PI Pulsatility index, RI Resistivity (resistance) index
  2. aMultiple linear regression