Dear Dr. Roach: The results for my last bone density test show not only a T-score but also a Z-score. For my spine (L1 through L4), the T-score is -3.4, while the Z-score is -1.4. Can you please ...

The Altman Z-Score is a widely used financial model that helps assess the likelihood of a company entering bankruptcy within two years. Developed by Edward Altman in 1968, the Z-Score measures the ...