22. % Young =(current value)X100
/young reference valueT-score=(current value-Young Ref.value)/one standerd deviation% Age-Matched=(current value)X100/reference value at current ageZ-score=(current value-reference value at current age)/one standerd deviation
25.
Short
(current value-previous value)
previous value
Long
(current value-first value)
first value
Short/yr
(short)X365.25
# days between current and previous scan
Long/yr
(long)X365.25
#days between current and first scan
====多次检测X100X100