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Figure 3 The probability of cardiac events at one year was quantitatively related to the IVUS MLD (mm). At the same MLD, the frequency of events was highest in patients with diabetes and at least one untreated vessel with a DS > 50%; intermediate in patients with diabetes or at least one untreated vessel with a DS > 50%, but not both; and lowest in patients with neither diabetes nor an untreated vessel with a DS > 50%. DS = diameter stenosis. All other abbreviations as in Figure 1.