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. 2016 Aug;37(8):1496–1503. doi: 10.3174/ajnr.A4765

Table 3:

Final model of CTA markers associated with IPHa

Carotid IPH Prediction PR P Value 95% CI
Carotid plaque rim sign (present versus absent) 11.9 <.001 4.4–32.0
Maximum soft-plaque thickness (per 1-mm increase) 1.2 .06 0.99–1.40

Note:—PR indicates prevalence ratio.

a

After multivariable Poisson regression with sequential backward elimination of factors that did not meet the threshold of P < .10, the final carotid IPH model depended on the positive rim sign and maximum soft-plaque thickness.