On Sunday night, the expecting momma sent a series of videos on Snapchat gushing about her growing baby bump and how she's feeling grateful and blessed to welcome a child with Rob Kardashian! As you know, the 28-year-old already has one toddler King Cairo she shares with Kylie Jenner's BF Tyga.
Your T-score is your bone density compared with what is normally expected in a healthy young adult of your sex. Your T-score is the number of units â called standard deviations â that your bone density is above or below the average.
Z-scores are an example of standard scores as they are expressed relative to a mean of 0 and a standard deviation of 1. Another standard score is I.Q. which has a mean of 100 and a standard deviation of 15. The mathematical definition of the Z-score is.