Table 1.

Assessment of each sub-factor of HAMD for PD-D and PD-ND groups.

	Frequency (n, %)		Score (mean ±SD)		Range of the score (min–max)
	PD-ND	PD-D	PD-ND	PD-D	PD-ND	PD-D
Anxiety/somatization	107 (54.60%)	280 (99.30%)	1.08 ± 1.21	4.64 ± 2.48	0–5	0–13
Retardation symptoms	93 (47.40%)	275 (97.51%)	0.69 ± 0.88	3.53 ± 1.86	0–4	0–12
Hopelessness symptoms	89 (45.40%)	253 (89.71%)	0.69 ± 0.90	2.76 ± 1.89	0–4	0–10
Sleep disturbances	60 (30.60%)	211 (74.82%)	0.51 ± 0.96	2.30 ± 1.84	0–5	0–6
Cognitive disturbances	28 (14.30%)	200 (70.92%)	0.14 ± 0.35	1.79 ± 1.95	0–1	0–10
Weight loss	28 (9.20%)	100 (35.46%)	0.12 ± 0.41	0.49 ± 0.73	0–3	0–3
Circadian fluctuations	12 (6.10%)	97(34.40%)	0.10 ± 0.41	0.63 ± 0.97	0–4	0–4