Table 5.

Outcome for patients with vulnerable or stable plaques according to filter-based embolic protection device used

FilterWire 1	Vulnerable plaque (n = 66)	Stable plaque (n = 55)	p-value
Flow impairment	8 (12.1%)	6 (10.9%)	1*
Ischemic neurological events	3 (4.5%)	2 (3.6%)	1*
New white lesions on DWI	27 (40.9%)	11 (20.0%)	0.02**
Spider 2	Vulnerable plaque (n = 23)	Stable plaque (n = 14)	p-value
Flow impairment	1 (4.3%)	0 (0%)	1*
Ischemic neurological events	1 (4.3%)	0 (0%)	1*
New white lesions on DWI3	10 (43.5%)	4 (28.6%)	0.36**

¹FilterWire EZ™.

²Spider FX™.

³DWI, diffusion-weighted magnetic resonance imaging.

*Fisher’s exact test; **Pearson’s Chi-squared test.