Question

Discussion #2 Your client has been to the doctor and is very upset. She had tests done for bone density. Six months ago she had a Z score of -2.8 on her bone density test. Her doctor gave her medication to improve her bone density, but she has just come back from the doctor who told her her bone density Z score came back “0.” Your client is hysterical because now her bone density is “nothing!” She thinks her doctor is “stupid” and refuses to go back.

Explain to her in everyday language what a Z score is, what it is comparing her to, and how a 0 can be better than a -2.8.

Answer 1

Solution:

According to the client's previous reports, she had a z score of -2.8 on her bone density test. This implies that her bone density was 2.8 times below the average bone density level.

Now, after medication, her results showed that the z score on her bone density test is now 0. This implies that her bone density level is equal to the average bone density level that a person must have.

(Note: A zero Z score does not imply the absence of bone density level)

So, in a nutshell, it is a very good news for her, because the medication her worked for her, as her bone density level has improved. Therefore a z score of 0 is better than a z score of -2.8 in every aspect.

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Thank you.