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Kaplan–Meier survival curves for (A) all-cause mortality and (B) cardiovascular mortality or heart failute (HF) hospitalization in patients with HF based on whether anemia was (1) absent, (2) developed during hospitalization, (3) present at baseline but resolved by discharge or d 7, or (4) persisted from admission through discharge or d 7. Log-rank P value <0.001 for both figures.
