Table 3. Inhibition of in-stent restenosis with stent-delivery of Ad-iNOS: morphometric results (Ad-iNOS-D1-tethered vs. bare metal stents) for rat carotid stent angioplasty studies (mean ± SE).

Group	Neointima, mm2	Neointima/media	Stenosis, %
iNOS	0.23 ± 0.02	1.68 ± 0.27	23.1 ± 3.4
Control	0.40 ± 0.04	3.34 ± 0.35	40.7 ± 4.2
Statistical power (t-test)	P = 0.011	P = 0.006	P = 0.013