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Scatter plot showing Spearman correlation between the Hamilton Rating Scale for Depression (HRSD) and brain-derived neurotrophic factor (BDNF) levels after treatment of cases. HRSD B: HRSD score after 4 weeks of treatment in cases. BDNF B: BDNF levels after 4 weeks of treatment in cases (ng/ml). The scatter plot showed no significant negative correlation (rs=−0.151, p-value = 0.246) between HRSD scores and BDNF levels after treatment.
