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Figure 3 Thromboembolism rates for mechanical aortic valves. The vertical axis is the linearized rate in percentage per year. Each symbol represents one series. Circles indicate that only late events were used to calculate the rates; diamonds indicate that both early and late events were used. BS = Bjork Shiley; CM = Carbomedics; ET = Edwards Tekua or Duromedics; MH = Medtronic Hall; MS = Monostrut; OC = Omnicarbon; OPC = FDA’s Objective Performance Criteria (from reference 29); OS = Omniscience; SB = Sorbin Bicarbon; SE = Starr Edwards; SJ = St. Jude; UC = Ultracor. From reference 29.
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