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Figure 2 Baseline heart rate (open circles) and achieved heart rate at last follow-up visit (solid circles) in the five quintiles (Q) of baseline heart rate. Mean metoprolol CR/XL dose, net reduction in heart rate (baseline minus achieved), and percent net reduction in heart rate with metoprolol CR/XL also given for the different subgroups. bpm = beats/min; Meto CR/XL = metoprolol controlled release/extended release.