RT Book, Section A1 Dolan, Brigid A1 Walsh, Judith A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184155269 T1 Osteoporosis Prevention in Women T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184155269 RD 2024/03/29 AB Osteoporotic fractures are increasing as the population ages. Age and female sex are major risk factors for osteoporotic fractures. Hip and vertebral fractures are associated with premature mortality. Osteoporosis risk is assessed by measuring bone mineral density (BMD). See also Chapter 26-16. Normal BMD is no lower than 1.0 standard deviation below the mean for young adult women (T score). Osteopenia is defined as BMD between 1.0 and 2.5 standard deviations below the mean for young adults (T score of –1.0 to –2.5), and osteoporosis is defined as a BMD more than 2.5 standard deviations below the young adult mean (T score below –2.5). Severe osteoporosis is defined as either a T score below –2.5 with a fracture or a T score below –3.5.