Fig. 2

Correlation between TNF-α serum level and ACE visuospatial. TNF-α serum level was significantly negatively correlated with ACE visuospatial (p = 0.03, r = − 0.4). TNF-α tumor necrosis factor-α, ACE visuospatial visuospatial subset of Addenbrooke’s Cognitive Examination, VS visuospatial