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Figure 2 (A) Significant and independent factors for angiographic restenosis at six months, as derived from the multivariate model, displayed with their relative risk and 95% confidence interval. For continuous variables, these were calculated for the first versus third quartile (lesion length: 7.4 vs. 15.3 mm; small vessel size: 2.25 vs. 2.94 mm; stenosis severity before the intervention: 65.7% vs. 89.9%; balloon/vessel ratio: 1.02 vs. 1.14; and stented segment length: 15 vs. 25 mm). (B) Adjusted risk (with odds ratio and 95% confidence interval) for restenosis associated with each stent type, as derived from the multivariate model. The risk was calculated using the Palmaz-Schatz stent as a reference.
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