Table 3. Correlation of baseline pBDNF concentrations and MADRS scores at 13 d or 26 d in patients with unipolar and bipolar depression.

Variables	MADRS scores at 13 d	MADRS scores at 26 d
pBDNF concentrations (ng/ml)	r =  − 0.220	r =  − 0.278
	p=0.033	p=0.007

Notes.

Bolded values are p<0.05.

pBDNF

plasma brain derived neurotrophic factor

MADRS

the Montgomery-Asberg Depression Rating Scale

r

Pearson coefficient of correlation