[6] , [7] , [8] Therefore, the statistical power of this analysis is small and the primary endpoint, TVR, did not quite reach statistical significance.
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Drug-eluting versus bare-metal stent for treatment of saphenous vein grafts: a meta-analysis.
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Conclusion The use of DES may be superior to the use BMS for treatment of SVG with regard to TVR but this finding is mainly based on observational data while the analysis based on 3 small RCT did not reach statistical significance.
We have to acknowledge that even our pooled analysis is very limited in statistical power and the results showed only a borderline significance for TVR.