Cognitive Performance following Carotid Endarterectomy or Stenting in Asymptomatic Patients with Severe ICA Stenosis

Table 3

Neuropsychological performance before and after CEA or CAS.

Rey auditory verbal learning test, immediate recall	32.9 ± 9.4	37.2 ± 11.2*
Rey auditory verbal learning test, delayed recall	6.5 ± 2.5	7.4 ± 3.5
Phonological verbal fluency	28.9 ± 11.7	31.3 ± 12*
Wisconsin card sorting test, categories	5.6 ± 0.7	5.5 ± 0.8
Wisconsin card sorting test, perseverative errors	1.8 ± 2.3	1.8 ± 2.4
Copying drawings	9.8 ± 2	9.6 ± 1.6
Copying drawings with landmarks	61.6 ± 5.8	63.1 ± 4.9

Values are means ± SD; ^∗𝑃<0.01. 𝑛=22. CEA: carotid endoarterectomy; CAS: carotid artery stenting.