Fig. 4From: Relation of serum level of tumor necrosis factor-alpha to cognitive functions in patients with Parkinson’s diseaseROC curve for TNF-α to detect cognitive impairment in patients with PD using trail making B. At cut-off point value > 113.65, sensitivity and specificity of TNF-α were 57.1, 56.2%, respectively (AUC = 0.63, p value = 0.198). TNF-α tumor necrosis factor-α, PD Parkinson’s diseaseBack to article page