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Classification and regression trees analysis comparing ADHERE score 1–5 and PVol lower tertiles (PVol ≤ 7.4%) and upper tertile (PVol ≥ 7.4%) for the dead and/or HF hospitalisation endpoint. ADHERE: Acute Decompensated Heart Failure National Registry; CART: classification and regression trees; HF: heart failure; PVol: plasma volume.
