future fracture. The criteria of the World Health Organization are:
* Normal is a T-score of -1.0 or higher
* Osteopenia is defined as between -1.0 and -2.5
* Osteoporosis is defined as -2.5 or lower, meaning a bone density that is two and a half standard deviations below the mean of a 30-year-old man/woman.

Z-score

The Z-score for bone density is the comparison to the "age-matched normal"

1.Previous
3.Next