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Figure 1 Mean stent, neointimal and lumen area changes within the stented segment during the follow-up period. Notably, the RADIUS stents increased by 1.9 ± 1.0 mm² in mean stent area while the Palmaz-Schatz stents showed no significant changes. On the other hand, the RADIUS stents had a greater amount of neointimal proliferation than the Palmaz-Schatz stents. Values are expressed as mean ± SD. Open box = Palmaz-Schatz; solid box = RADIUS.