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Figure 3 Mean vessel, plaque and lumen area changes in the peristent margins (adjacent reference segments) during the follow-up period. The RADIUS stents minimized vessel contraction resulting in significantly less net late lumen loss compared with the Palmaz-Schatz stents (0.1 ± 2.1 mm² vs. 1.9 ± 2.4 mm², p = 0.02). Open box = Palmaz-Schatz; solid box = RADIUS.