Table 2.

Linear regression parameters of maximum relative running speed on body mass estimated from ordinary least-squares (OLS) and reduced major axis regression (RMA)

Linear regression estimates of Vmax/Lb=log a+b log (Mb)
b
Data setNaOLSRMAr2S.E.E.
All mammals14221.52-0.17* (-0.19, -0.15)-0.21* (-0.23, -0.19)0.6920.190
>30 kg5688.64-0.46* (-0.53, -0.40)-0.52* (-0.58, -0.45)0.8080.131
<30 kg8624.21-0.09* (-0.12, -0.06)-0.17* (-0.20, -0.14)0.2710.153
  • Values are shown as means with 95% confidence limits given in parentheses.

    Values of scaling coefficient a were corrected following Sprugel (1983).

    S.E.E., standard error of estimates.

  • * P<0.001.