Comparison and Analysis between the NAV6 Embolic Protection Filter and SpiderFX EPD Filter in Superficial Femoral Artery Lesions

Table 2

Baseline lesion characteristics.

% (n/N)	Emboshield NAV6 (N = 161)	SpiderFX EPD (N = 346)	value
Lesion length (mm)^a	110.4 ± 79.3 (161)	116.8 ± 76.3 (346)	0.549
RVD (mm)^a	5.5 ± 0.6 (161)	5.6 ± 0.6 (346)	0.848
In-stent restenosis	6.8% (11/161)	8.1% (28/346)	0.607
Calcium	43.2% (70/161)	37.9% (131/346)	0.251
Chronic total occlusion	28.4% (46/161)	27.5% (95/346)	0.826
Run-off vessel grade
0	14.8% (24/161)	24.3% (84/346)
1	38.9% (63/161)	32.7% (113/346)
2	27.8% (46/161)	25.7% (89/346)
3	18.5% (30/161)	17.3% (60/346)
Pooled	1.5 ± 1.0 (161)	1.4 ± 1.0 (346)	0.180

^aValues in mean ± SD. ^bBy normal approximation for continuous variables and the Newcombe score method for binary variables. RVD, reference vessel diameter; SD, standard deviation.