TABLE 2.

Comparison of the clinical characteristics of the patients.

Scale	MEL	ATY	ANX	P
HAMD-17
Emotion	9.26 ± 0.34	9.62 ± 0.43	8.53 ± 0.48	0.220
Sleep	4.19 ± 0.30	2.77 ± 0.47	3.05 ± 0.43	0.022
Somatic anxiety	5.52 ± 0.43	4.00 ± 0.49	7.37 ± 0.45	<0.001
Psychic anxiety	3.89 ± 0.21	3.57 ± 0.21	4.26 ± 0.35	0.297
Cognitive disorder	1.37 ± 0.27	0.77 ± 0.30	2.05 ± 0.16	0.011
Total HAMD score	23.93 ± 1.07	21.92 ± 0.74	24.26 ± 1.14	0.373
IDS-30SR
Emotion/cognition	20.48 ± 0.86	15.46 ± 1.47	15.26 ± 1.39	0.003
Anxiety	11.26 ± 0.77	9.31 ± 0.58	10.05 ± 0.74	0.210
Sleep	5.89 ± 0.42	5.46 ± 0.53	4.37 ± 0.47	0.055
Total IDS score	45.63 ± 2.54	42.31 ± 2.61	38.90 ± 2.23	0.151
QIDS-16
Sleep disturbance	2.41 ± 0.17	2.15 ± 0.27	1.84 ± 0.23	0.149
Sad mood	2.16 ± 0.18	1.73 ± 0.27	1.94 ± 0.20	0.380
Appetite and weight	1.63 ± 0.21	1.23 ± 0.32	1.68 ± 0.24	0.468
Concentration	1.84 ± 0.15	1.67 ± 0.28	1.41 ± 0.21	0.279
Self-outlook	1.96 ± 0.22	1.83 ± 0.24	1.63 ± 0.29	0.454
Suicidal ideation	1.08 ± 0.16	0.75 ± 0.22	1.12 ± 0.23	0.454
Involvement	2.20 ± 0.17	1.58 ± 0.19	1.88 ± 0.23	0.115
Energy fatigue	1.84 ± 0.16	1.42 ± 0.19	1.41 ± 0.19	0.140
Psychomotor anxiety	1.56 ± 0.16	1.46 ± 0.24	1.37 ± 0.21	0.772
Total QIDS score	15.85 ± 1.25	13.00 ± 1.35	13.94 ± 0.79	0.323

MEL, melancholic; ATY, atypical; ANX, anxious; IDS-30SR, 30-item inventory of depressive symptomatology; HAMD-17, 17-item hamilton depression scale; QIDS-16, 16-item quick inventory of negative symptom scale. Bold values represent the P < 0.05, there was statistical difference.