ADIPOQ and Insulin resistance: The purpose of the present study was to examine the associations of visceral fat area (VFA), obtained by computed tomography (CT), as well as serum adiponectin level and insulin resistance, assessed by homeostatic model assessment of insulin resistance (HOMA-IR), a reliable surrogate marker for insulin resistance [14, 15], with plasma XOR activity using our newly developed assay for determining XOR activity [16, 17] in subjects who participated in the MedCity21 health examination registry.