Table 2.

Linear regression and phylogenetic regression. Statistical significance indicated by*

Formula	Isometric slope	GLS slope	GLS confidence interval (lower–upper)	GLS allometry	Average PGLS slope (range)	Average PGLS confidence interval (lower–upper)	PGLS allometry	GLS slope P-value (ɑ < 0.05)	Average PGLS slope P-value (ɑ < 0.05)	GLS R squared
log(BV.TV) ∼ log(IZL)	0	0.33	0.23–0.42	+	0.43 (0.35–0.50)	−0.22 to 1.08	0	<<0.001*	0.174	0.267
log(Tb.N) ∼ log(IZL)	−1	−0.28	−0.44 to −0.31	+	−0.39 (−0.44 to −0.32)	−0.81 to 0.03	+	<<0.001*	0.087	0.491
log(Tb.Th) ∼ log(IZL)	1	0.66	0.60–0.72	–	0.74 (0.69–0.77)	0.41–1.08	0	<<0.001*	0.003*	0.795
log(GC) ∼ log(IZL)	0	0.14	0.11–0.17	+	0.21 (0.17–0.26)	0.039–0.38	+	<<0.001*	0.025*	0.395
log(CSA) ∼ log(IZL)	2	1.84	1.74–1.95	–	2.04 (1.95–2.12)	1.69–2.39	0	<<0.001*	<<0.001*	0.901
log(DA) ∼ log(IZL)	0	0.04	−0.01 to 0.10	0	0.16 (0.10– 0.22)	−0.04 to 0.36	0	0.151	0.120	0.008
log(Conn.D) ∼ log(IZL)	−3	−1.35	−1.51 to −1.20	+	−1.67 (−1.75 to −1.61)	−2.51 to −0.83	+	<<0.001*	<<0.001*	0.691
log(mass) ∼ log(IZL)	3	3.20	3.12–3.29	+	3.16 (3.16)	2.78–3.54	0	<<0.001*	<<0.001*	0.978