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Fig. 7. Mean absolute error in estimates of the thermal equivalent of either
CO2 production or O2 consumption produced by assuming
that protein is conserved and using the respiratory exchange ratio to estimate
the fractional content of lipids and carbohydrates in the catabolic substrate.
Filled circles indicate N=10. Unfilled circles indicate that sample
size was reduced below 10 because RER values outside of the range of 0.71-1.00
did not allow estimation of thermal equivalents for some individuals.