RESULTS	After 2 weeks of treatment , the total score of HAMD decreased remarkably in both groups ( P < 0.01 ) , and the total score , as well as the scores of the three factors , i. e. anxiety/somatization , cognitive impairment and feeling of despair , were lower in the DXP group than that in the control group respectively ( P < 0.05 or P < 0.01 ) .\