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Figure 2 Whole blood viscosity strongly correlates with hematocrit (Hct) at both low shear (A) and high shear (B), with a logarithmic increase in viscosity at lower shear rates (C). The same relationship between shear and viscosity (mean ± SD) was seen for both iron-deficient patients (circles) and iron-replete patients (squares). In contrast, mean corpuscular volume had no relationship with Hct-adjusted viscosity at any shear rate (D). *p < 0.001. fl = femtoliters.
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