FCGR1A and Sepsis: CD64% significantly increased (P < 0.001) in both proven sepsis (median [IQR]: 0.856 [0.81-0.939]%) and clinical sepsis (median [IQR]: 0.86 [0.55025-0.93775]%) when compared to the disease controls (median [IQR]: 0.262 [0.15-0.365]%).