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. 2018 Aug 8;13(8):e0201153. doi: 10.1371/journal.pone.0201153

Fig 2. Delta Hgb is higher in anemic patients who received IV iron.

Fig 2

Delta Hgb values represent the difference of the hemoglobin value that was measured directly prior to surgery and the baseline hemoglobin level. (A) Baseline Hgb values were higher in non-anemic patients (14.3g/dl [13.48, 14.9], n = 48) than in both anemic patients with (10.8g/dl [10.05, 11.7], n = 79, *p<0.0001) and without (11.3g/dl [10.1, 11.93], n = 64, #p<0.0001) IV iron treatment. (B) Delta Hgb values were higher in anemic patients who were administered with IV iron (n = 40) (0.45g/dl [0.05, 1.05] vs. 0.1g/dl [-0.48, 0.73], *p = 0.03) compared to anemic patients without IV iron treatment (n = 26). (C) Patients with an increase in Hgb levels of ≥0.6g/dl were considered responders. Delta Hgb values were higher in the group of responders (1.1g/dl [0.8, 1.45], n = 19 patients) compared to the delta Hgb values in the group of anemic non-responders (0.1g/dl [-0.3, 0.3], n = 21 patients).