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. 2019 Jun 10;5:23. doi: 10.1186/s40798-019-0196-x

Table 3.

Mean (± SD) values for the measured efficiency indices

Efficiency GE (%) T (ml/min/W) NE (%) DE (%) WEe (%) WEm (%)
Mean (± SD) 20.0 ± 0.8 14.3 ± 0.6 23.4 ± 1.0 23.8 ± 1.9 23.8 ± 1.9 32.0 ± 2.9
Range 18.4–21.4 13.4–15.6 21.5–25.1 20.9–27.3 20.8–27.4 28.0–38.3

GE gross efficiency, T economy, NE net efficiency, DE delta efficiency, WEe work efficiency with extrapolated zero load energy expenditure, WEm work efficiency with measured zero load energy expenditure