Correlation between Peripheral Levels of Brain-Derived Neurotrophic Factor and Hippocampal Volume in Children and Adolescents with Bipolar Disorder

Table 4

Correlations between levels of BDNF, hippocampal volume, and neuropsychological measures.

	RHV^a		LHV^b		THV^c
	(rho)		(rho)		(rho)
Disease duration	.107	.595	.251	.207	.217	.276
BDNF	.148	.461	.027	.892	.100	.621
IQ	−.009	.963	.065	.749	.045	.825
Digit Span TS^f	−.098	.587	.102	.743	.014	.985
Digit Span IO^g	−.021	.918	.097	.632	.045	.825

Right hippocampus volume; ^bleft hippocampus volume; ^ctotal hippocampus volume; ^dcorrelation coefficient; ^esignificance; ^fDigit Span Total Score; ^gDigit Span Inverse Order.