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Impact of water and lipid variation on hemodynamic fitting for two ideal wavelength pairs. System variation in (a) water fraction and (b) lipid fraction shows a <10% error in mean hemodynamic fit using two common wavelength pairs (670∕850 and 730∕850). Both wavelength combinations perform the same in terms of mean, but the 670∕850 combination has lower standard deviations, indicating it is much more stable for single point measurements.
