Table 1. Demographic and psychological data of UD patients, BD patients and controls.

	UD	BD	Control	P- value
No. of subjects	16	17	16
Age, years	36.06±9.43	34.47±9.77	35.13±7.88	0.88	a
Age range	20–53	19–53	23–50
Education, years	12.75±2.82	12.06±2.90	12.75±2.82	0.72	a
Gender (M/F)	8/8	9/8	8/8	0.27	b
HAMA score	18.19±2.34	18.41±2.32	2.75±1.13		c
HAMD score	26.19±4.98	24.47±4.87	4.38±1.63		c
Duration of illness, years	2.36±1.89	3.89±3.56		0.35	d
Depressive episodes number	3.08±1.45	8.23±6.94		0.57	d

Bold data indicate significance level at p<0.05.

Abbreviations: HAMD Scales: the Hamilton Depression Rating Scales; HAMA Scales: Hamilton Anxiety Rating Scales.

^a: Indicates p-values for one-way ANOVA.

^b: Indicates p-values for Chi-square tests.

^c: Indicates p-values for ANOVA and post-hoc t-tests.

^d: Indicates p-values for two-sample t-tests.

(Mean ± S.D.).