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Arterial O2 delivery and extraction after moderate hemodilution (MH) and extreme hemodilution with Dex70 and PEG-Hb. ‡P < 0.05 vs. MH. O2 transport is not directly measurable; however, it can be calculated using measured parameters. Delivery and extraction were calculated from averaging arterioles and venules of each animal. Difference in O2 delivery and extraction between PEG-Hb and Dex70 was statistically significant, P < 0.05.
