The joint-SUVmean was obtained from the minimal area between epiphyseal plates of femur and tibia, including intra-articular space and subchondral bones of knee joints (Figure 1A, green box).

Materials and Methods Patients in group 1 included 15 men and 8 women; mean age was 69.6 years (range: 54-85). Patients in group 2 included 7 men and 8 women; mean age was 72.1 years (range: 52-86 ...