To analyze the insulin resistance in patients, will use the homeostasis index model assessment - resistence insulin (HOMA-IR), calculated by fasting glucose formula (mmol / l = mg / dl ÷ 18) x fasting insulin (U / ml) / 22.5. The anthropometric assessment, determination of ABI and the examination of DXA will take place at HC-FMRP / USP, in a single session, at least assessors trained for each role. Laboratory tests will be performed at HC-FMRP / USP, in the morning, with all patients fasted for eight hours, the same skilled professionals during routine outpatient follow-up in UETDI HCFMRP-USP.