Table 4. Multiple regression analysis of the factors affecting the change of BMI SDS in girls with idiopathic central precocious puberty or early puberty.

Variable	BMI SDS
	β coefficient	r	P-value
CA (yr)	−0.04879	−0.04752	0.6002
BA (yr)	0.06682	0.08240	0.3629
Weight SDS	0.5363	0.1579	0.0799
Hight SDS	−0.2204	−0.1110	0.2196
BMI SDS	−0.6698	−0.2536	0.0045
Peak LH	0.002254	0.04815	0.5954

BMI, body mass index; SDS, standard deviation score; CA; chronological age; BA, bone age; LH, luteinizing hormone.

Change of BMI SDS; BMI SDS of after 2 years of GnRHa treatment – BMI SDS of before GnRHa treatment.