Table 2.

The correlation of the VPA concentration and the level of striatal DAT availability in BD patients.

	VPA concentration (mg/L)
Striatal DAT availability	r	p-Value
Right	−0.602	0.006*
Left	−0.652	0.002*
Total	−0.653	0.003*

Abbreviations: BD, bipolar disorder; DAT, dopamine transporter; VPA, valproate.

^*p < 0.05.