Table 2 Correlation between TyG index and cervical vascular function after adjustment for confounding factors

BA pulsatility index

0.55

0.582

-2.209

0.027

-1.295

0.195

BA systolic blood flow

-5.774

 < 0.001

-5.652

 < 0.001

-4.739

 < 0.001

BA diastolic blood flow

-6.111

 < 0.001

-4.969

 < 0.001

-4.219

 < 0.001

Mean BA blood flow

-6.118

 < 0.001

-5.405

 < 0.001

-4.641

 < 0.001

Right ICA pulsatility index in proximal cranial segment

1.939

0.053

-0.622

0.534

0.2

0.841

Right ICA systolic flow velocity in proximal cranial segment

-7.629

 < 0.001

-7.131

 < 0.001

-6.114

 < 0.001

Right ICA diastolic flow velocity in proximal cranial segment

-7.615

 < 0.001

-6.457

 < 0.001

-5.856

 < 0.001

Mean right ICA flow velocity in proximal cranial segment

-8.17

 < 0.001

-7.333

 < 0.001

-6.437

 < 0.001

Right VA pulsatility index in intracranial segment

0.156

0.876

-1.974

0.049

-1.46

0.145

Right VA systolic flow velocity in intracranial segment

-5.117

 < 0.001

-4.996

 < 0.001

-4.325

 < 0.001

Right VA diastolic flow velocity in intracranial segment

-5.105

 < 0.001

-4.065

 < 0.001

-3.607

 < 0.001

Mean right VA flow velocity in intracranial segment

-5.402

 < 0.001

-4.759

 < 0.001

-4.148

 < 0.001

Left ICA pulsatility index in proximal cranial segment

1.031

0.303

-1.844

0.065

-0.67

0.503

Left ICA systolic flow velocity in proximal cranial segment

-6.203

 < 0.001

-6.093

 < 0.001

-4.929

 < 0.001

Left ICA diastolic flow velocity in proximal cranial segment

-5.871

 < 0.001

-4.496

 < 0.001

-4.066

 < 0.001

Mean left ICA flow velocity in proximal cranial segment

-6.414

 < 0.001

-5.517

 < 0.001

-4.642

 < 0.001

Left VA pulsatility index in intracranial segment

1.526

0.127

-0.683

0.494

0.513

0.608

Left VA systolic flow velocity in intracranial segment

-4.432

 < 0.001

-4.453

 < 0.001

-4.227

 < 0.001

Left VA diastolic flow velocity in intracranial segment

-5.494

 < 0.001

-4.437

 < 0.001

-4.686

 < 0.001

Mean left VA flow velocity in intracranial segment

-5.256

 < 0.001

-4.661

 < 0.001

-4.644

 < 0.001