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. 2021 Mar 24;21(7):2277. doi: 10.3390/s21072277

Table 1.

Analysis of the mean power output (PO) registered by the SRM and the FAD power meters.

SRM (W) FAD (W) TEM (W) CV% ICC Pearson
r-Value
PO × Measurement System
p-Value
Effect Size (ηp2) Bland-Altman
Mean ± SD CV Mean ± SD CV Bias (W) SD Bias (W)
70 rev·min−1 Sitting 100 W 104.5 ± 11.3 10.84% 106.0 ± 11.6 *** 10.91% 1.34 1.27% 0.89% 0.99 0.99 0.006 0.121 −2.29 2.86
LoA (−7.89 to 3.31)
150 W 151.5 ± 4.1 2.71% 152.6 ± 3.7 ** 2.44% 1.35 0.89% 0.89 0.90
200 W 200.2 ± 5.5 2.73% 202.8 ± 5.5 *** 2.71% 1.65 0.82% 0.91 0.93
250 W 249.1 ± 3.6 1.45% 251.1 ± 5.2 *** 2.06% 1.90 0.76% 0.83 0.88
300 W 298.9 ± 5.4 1.81% 301.9 ± 7.3 *** 2.41% 2.68 0.89% 0.83 0.84
350 W 346.9 ± 7.6 2.19% 350.5 ± 7.8 *** 2.24% 2.38 0.68% 0.91 0.89
85 rev·min−1 Sitting 100 W 102.2 ± 6.8 6.67% 103.2 ± 6.8 * 6.61% 1.63 1.59% 1.01% 0.95 0.94 0.020 0.091 −1.78 3.05
LoA (−7.76 to 4.20)
150 W 150.4 ± 3.5 2.31% 151.5 ± 3.6 ** 2.39% 1.51 1.00% 0.83 0.81
200 W 199.8 ± 4.4 2.19% 201.8 ± 5.8 *** 2.89% 2.11 1.05% 0.84 0.88
250 W 247.3 ± 5.6 2.26% 249.4 ± 6.7 *** 2.69% 2.11 0.85% 0.89 0.90
300 W 298.0 ± 4.4 1.47% 299.6 ± 5.6 ** 1.88% 2.08 0.70% 0.84 0.85
350 W 347.1 ± 8.2 2.35% 345.0 ± 10.3 *** 2.94% 3.02 0.87% 0.90 0.92
100 rev·min−1 Sitting 100 W 101.9 ± 7.1 6.98% 104.0 ± 7.8 *** 7.50% 1.89 1.84% 1.15% 0.94 0.92 0.020 0.088 −2.41 3.37
LoA (−9.02 to 4.20)
150 W 149.9 ± 3.7 2.47% 151.8 ± 5.2 *** 3.46% 1.99 1.32% 0.82 0.86
200 W 99.8 ± 3.9 1.95% 201.3 ± 5.2 ** 2.56% 2.07 1.03% 0.81 0.87
250 W 248.6 ± 6.1 2.44% 251.6 ± 6.4 *** 2.53% 2.39 0.96% 0.86 0.86
300 W 298.8 ± 3.8 1.28% 301.5 ± 5.4 *** 1.78% 2.78 0.93% 0.66 0.69
350 W 338.5 ± 44.7 13.19% 341.9 ± 44.5 *** 13.03% 2.88 0.85% 0.99 0.99
FCC Sitting 500 W 494.0 ± 22.5 4.56% 501.4 ± 23.6 *** 4.72% 5.51 1.11% 1.11% 0.95 0.94 <0.001 0.481 −7.33 7.80
LoA (−22.62 to 3.27)
FCC Standing 250 W 250.2 ± 7.8 3.11% 255.1 ± 8.9 *** 3.48% 3.18 1.26% 1.06% 0.86 0.86 <0.001 0.803 −7.86 5.68
LoA (−18.99 to 3.27)
350 W 345.8 ± 17.1 4.95% 353.4 ± 18.2 *** 5.27% 3.42 0.98% 0.97 0.97
450 W 442.2 ± 27.8 6.30% 453.2 ± 28.0 *** 6.31% 4.23 0.94% 0.98 0.97
FCC Sitting ALL-OUT 756.3 ± 143.0 18.90% 755.0 ± 155.4 20.60% 21.87 2.89% 2.82% 0.98 0.94 0.167 0.057 6.26 29.39
LoA (−51.34 to 63.86)
ALL-OUT 736.3 ± 114.5 15.56% 723.1 ± 100.3 13.96% 21.03 2.88% 0.96 0.97
ALL-OUT 715.1 ± 102.0 14.26% 710.7 ± 103.3 14.53% 19.03 2.67% 0.97 0.97

Abbreviations: CV, coefficient of variation; CV%, percentage of the TEM; FCC, freely chosen cadence; LoA, Limits of Agreement; SD, standard deviation; TEM, typical error of measurement. Significant differences compared to SRM: * p < 0.05, ** p < 0.01, *** p < 0.001.