Table 5.

Linear regression of the study variables with maturation.

Variables	Bone Age				Peak of the Speed of Growth
	r2	Β	F (42)	p-Value	r2	β	F (42)	p-Value
Estradiol (nmol)	0.30	0.01	18.1	0.0001	0.17	0.00	8.76	0.005
Testosterone (nmol)	0.05	0.01	2.26	0.1	0.00	0.00	0.42	0.5
RMPLL (W/kg)	0.38	0.12	26.2	<0.0001	0.26	0.08	14.8	0.0003
RMPUL (cm)	0.29	1.83	17.4	0.0001	0.29	1.50	17.2	0.0001
ULS (s)	0.02	−0.14	0.94	0.3	0.03	−0.14	1.31	0.2
BScD (s)	0.03	−0.39	1.66	0.2	0.02	−0.27	1.14	0.2

r² = regression determination coefficient; β = Angular regression coefficient in relation to the dependent variable; F = Value of the global significance of the regression; RMPLL = Relative muscle power of lower limbs; RMPUL = Relative muscle power of upper limbs; ULS (s) = Upper Limb Speed; BScD (s) = Body speed with change of direction.