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Figure 1 Mortality by treatment assignment up to 30 days. Trial abbreviations are given in Table 1. *The ERBAC control groups are identical. CBA = coronary balloon atherotomy; CI = confidence interval; DCA = directional coronary atherectomy; LA = (excimer or holmium) laser angioplasty; OR = odds ratio; PTRA = percutaneous transluminal rotational atherectomy; PTCA = percutaneous transluminal coronary angioplasty.