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Table 5 Association between vascular risk factors and acute ischemic stroke

From: The incomplete circle of Willis is associated with vulnerable intracranial plaque features and acute ischemic stroke

Plaque features

Univariate regression

Multivariate regression

OR

95% CI

P

OR

95% CI

P

Enhancement grade (grade 1)

1.127

0.932–1.363

0.218

   

Enhancement grade (grade 2)

1.229

0.998–1.529

0.064

1.033

1.000-1.067

0.048

HT1S (with high signal in T1)

1.041

0.983–1.103

0.168

   

Irregularity of plaque surface (with irregularity)

1.077

1.028–1.128

0.002

1.010

1.004–1.015

< 0.001

Enhancement ratio (%)

1.001

1.000–1.001

0.070

   

Positive remodeling (with)

1.038

1.005–1.073

0.024

   

ARR (%)

1.064

1.002–1.129

0.043

   

Incomplete A-CoW

1.806

0.322–2.021

0.646

   

Incomplete symptom side P-CoW

5.920

2.071–16.922

0.001

5.933

2.079–16.935

0.001

  1. OR odds ratio, CI confidence interval, HT1S high T1 signal, P-CoW posterior circle of Willis, ARR arterial remodeling ratio, A-CoW anterior circle of Willis, P-CoW posterior circle of Willis