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A–H Changes in total and factor scores on the HAMA scale as well as the HAMD scale at baseline and after 20 treatments in patients with chronic insomnia after three different treatment modalities in three groups, as well as two-by-two comparisons after 20 treatments. * P < 0.05, ** P < 0.01, *** P < 0.001; ns, no significant difference. HAMA, Pittsburgh Sleep Quality Index. HAMD, Hamilton Depression Scale. HAMA, Hamilton Anxiety Scale
