Table 3.

Variables used in the different models.

	Auxological model	Endocrine models
		IGF+leptin	GHAITT+IGF+leptin	GH24 h	GH24 h+IGF+leptin
At birth
Gestational age (weeks)	x	x	x	x	x
Length
Weight	x	x	x	x	x
Gender	x	x	x	x	x
Pretreatment growth
Height & weight
After 9 months	x	x	x	x	x
At GH start
Age at start	x	x	x	x	x
Height	x	x	x	x	x
Weight	x	x	x	x	x
Parental heights
Mother's height	x	x	x	x	x
Father's height	x	x	x	x	x
Biochemical
GHmax 24 h				x	x
GHmaxAITT			x
IGF-I		x	x		x
leptin		x	x		x
GH dose	x	x	x	x	x