Task: Information Extraction
Input (English): Patients randomly assigned to the 40K arm were more likely to have a > or = 2 or > or = 3 g/dL hemoglobin ( Hb ) increment , were more likely to have a drug dose held because of high Hb , and had higher mean end-of-study Hb levels .
Output (English): hemoglobin ( Hb ) increment, mean end-of-study Hb