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Retrospective Study
©The Author(s) 2025.
World J Psychiatry. Nov 19, 2025; 15(11): 109332
Published online Nov 19, 2025. doi: 10.5498/wjp.v15.i11.109332
Table 9 Comparison of Hamilton Depression Rating Scale scores before and after treatment between the two groups

Control (n = 30)
Electromyographic biofeedback (n = 30)
P value
Before22.63 ± 3.4321.57 ± 3.350.228
4 weeks after treatment13.43 ± 2.3011.70 ± 2.380.006
8 weeks after treatment9.87 ± 2.407.70 ± 2.520.001


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