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. Author manuscript; available in PMC: 2013 Feb 1.

Published in final edited form as: Br J Haematol. 2011 Nov 25;156(3):388–401. doi: 10.1111/j.1365-2141.2011.08952.x

Fig 2 — Predicted changes in measures of haemoglobin and iron status with increasing donation intensity by HFE genotype. The analyses to generate the lines used information from the REDS-II donation database to determine the 24-month donation intensity for the frequent donors at each donation during the study. Individual donors contributed to different data points depending on changes in their 24-month donation intensity at the time of their study donations. A) CHr; B) venous haemoglobin; C) log(sTfR); D) log(ferritin); E) log(sTfR/ferritin).

Fig 2 — Predicted changes in measures of haemoglobin and iron status with increasing donation intensity by HFE genotype. The analyses to generate the lines used information from the REDS-II donation database to determine the 24-month donation intensity for the frequent donors at each donation during the study. Individual donors contributed to different data points depending on changes in their 24-month donation intensity at the time of their study donations. A) CHr; B) venous haemoglobin; C) log(sTfR); D) log(ferritin); E) log(sTfR/ferritin).