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Figure 3 Wall-motion scores in segments within the risk area 4 weeks after primary coronary stenting (PCS) according to (A) perfusion score at 3 to 5 days, and (B) perfusion score before PCS. p < 0.01 for differences between all groups by chi-square analysis for both A and B. Wall-motion score at 4 weeks: white bar = 1 to 2; black bar = 3 to 5.