Figure 5.

A, Values for total area of the femoral neck, adjusted for height, in a population sample between 20 and 97 yr of age. Individual values and smoother lines are given for premenopausal women in red, for postmenopausal women in blue, and for men in black. B, Values for total marrow area, a surrogate for cortical bone loss caused by endocortical resorption, of the femoral neck, adjusted for height in the sample. Color code is as in panel A. [Reproduced from B. L. Riggs et al.: J Bone Miner Res 19:1945–1954, 2004 (109), with permission of the American Society for Bone and Mineral Research.]