“…In this study, we evaluated the risk factors and found the only prevalent factors were: (I) age greater than 60 years; (II) female gender; (III) underlying systemic disease such as rheumatoid arthritis, diabetes mellitus or systemic lupus erythematosus (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(19)(20)(21)23,24). There is insufficient evidence to support the relationship between BMD, BMI, medication and alcoholism and the occurrence of RDA (2,3,5,8,10,23,27,29). We did not find these factors to increase the risk of RDA.…”