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Figure 3 Association between the pregnancy-associated plasma protein A (PAPP-A) plasma levels and the cardiac event rate at 24 h, 72 h, 30 days, and 6 months according to the PAPP-A quintile in the placebo group of the Anti Platelet Therapy in Unstable Refractory Angina (CAPTURE) study (n = 547). Differences in event rates between the quintiles were significant at 72 h (p = 0.019), 30 days (p = 0.008), and 6 months (p = 0.004) of follow-up. MI = myocardial infarction.