Factors associated with fasting plasma ghrelin levels in children and adolescents

Table 1 Bivariate correlation analysis between fasting ghrelin levels (ng/L) and other factors

	r value	P value
Age (yr)	-0.107	0.073
Gender (male 1, female 0)	0.082	0.167
BMI Z score	-0.259	< 0.001
FI (mIU/L)	0.283	< 0.001
FG (mmol/L)	-0.108	0.085
HOMA-IR	0.266	< 0.001
HOMA-β	-0.049	0.447
ALT (U/L)	-0.192	0.002
TG (mmol/L)	-0.136	0.029
TC (mmol/L)	-0.051	0.258
UA (&mgr;mol/L)	-0.210	0.001
T (ng/L)	-0.149	0.016
E2 (ng/L)	-0.075	0.226
LH (IU/L)	-0.120	0.053
FSH (IU/L)	-0.063	0.281
PRL (&mgr;g/L)	-0.003	0.963

Table 2 Multiple linear regression analysis for determinant of plasma ghrelin levels

Variable	Coefficient (Beta)	r value	P value
FI (mIU/L)	-1.208	2.244	0.026
BMI Z score	-1.107	1.985	0.048
FG (mmol/L)	-0.203	1.857	0.065
ALT (U/L)	-0.099	1.252	0.212
T (ng/L)	-0.081	1.125	0.262
HOMA-IR	0.099	1.251	0.277
UA (&mgr;mol/L)	-0.046	0.574	0.567
Age (yr)	0.026	0.371	0.711
LH (IU/L)	-0.017	0.237	0.813
TG (mmol/L)	0.002	0.029	0.977

r² for the model = 0.227.