Siemens syngo CT 2005C 사용자 설명서

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syngo Osteo CT
The other summary image displays a graph which 
shows the comparison of all evaluated vertebrae with 
the selected Reference Data.
“T-score” 
This is the deviation of average BMD of the patient 
from that of a young healthy comparison group. It rep-
resents bone loss with reference to the peak bone 
mass.
“Z-score” 
This is the deviation of average BMD of the patient 
from that of a healthy person of the same age. It is an 
indicator of biological variability.
C2-025.630.01.01.02_APPLICATIONGUIDE_SPIRIT.book  Page 284  Friday, April 8, 2005  9:55 AM