FCGR1A and schizophrenia: Quantification showed a significantly increased CD64 load in grey matter in the schizophrenia group compared to controls (F = 7.921 p = 0.007; Table 2) and a significantly higher CD64/HLA-DR ratio (Sz median 17.4 (IQR 7.9, 44.2) vs. Ctrl 4.6 (1.09, 18.3) F = 5.02, p = 0.029,Fig. 2A).