Table 2. PGLS regression models on maximum absolute growth rate per day (AGR) against body mass at maximum growth (BMatMG, in gram) for different taxonomic groups assuming a fixed slope of 0.75.
group | N | intercept | 95% CI | p-value | lambda | AIC | 10∧intercept |
altrical birds | 343 | −0.506 | [−0.587, −0.425] | <2e-16 | 0.943 | −524.679 | 0.312 |
precocial birds | 164 | −0.839 | [−1.016, −0.663] | <2e-16 | 0.853 | −185.665 | 0.145 |
eutherians | 299 | −1.162 | [−1.306, −1.019] | <2e-16 | 0.826 | −70.045 | 0.069 |
marsupials | 21 | −1.244 | [−1.244, −1.244] | <2e-16 | −0.124 | −29.036 | 0.057 |
non-avian dinosaurs | 19 | −1.766 | [−1.931, −1.602] | <2e-16 | 0.840 | −16.541 | 0.017 |
reptiles | 35 | −2.160 | [−2.461, −1.858] | <2e-16 | 0.222 | 51.923 | 0.007 |
fish | 30 | −2.512 | [−3.048, −1.976] | <2e-16 | 0.839 | 13.890 | 0.003 |
AGR and BMatMG were log 10 transformed before regressions were conducted (log10 AGR = log10 intercept+log10 BMatMG * 0.75). Regression models are ordered by values of intercepts. N = sample size. CI = confidence interval. lambda = Pagel’s lambda. AIC = Akaike Information Criterion.