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 ...

Currently the University Grant Commission (UGC) uses the “Z-Score” as the basis for selecting students to universities. At G. C. E. (A/L) Examination, students sit for three subjects. Marks for each ...

A z-statistic, or a z-score, measures the relative discounts and relative premiums for closed-end funds. Like open-end funds, closed-end funds have a net asset value (NAV), which is the total value of ...

Please provide your email address to receive an email when new articles are posted on . LOS ANGELES — Adults on permanent hemodialysis have a lower lumbar spine trabecular bone score, independent of ...