| 11, Nov, 1998 | 1, Dec, 2000 | 20, Mar, 2007 | 31, Aug, 2011 | 24, Dec, 2013 | 29, Apr, 2015 | 19, Dec, 2016 |
lumbar spine BMD | 0.643 | 0.683 | 0.434 | 0.748 | 0.863 | 0.908 | 0.894 |
lumbar spine BMD T score | −3.93 | −3.54 | −4.68 | −2.89 | −2.1 | −1.5 | −2.0 |
Hip BMD | 0.578 | 0.584 | 0.684 | 0.680 | 0.672
| 0.750 | 0.764 |
Hip BMD T score | −2.81 | −2.73 | −2.46 | −2.0 | −1.6 | −1.5 | −1.4 |