TABLE 1
Comparison of A + B/G Ratio
A + B/G ratio (
n
= 17)
Reconstruction method
With headrest
Without headrest
P
FBP-ChangAC
*
0.97
0.91
0.008
OSEM-CTAC
0.91
0.92
0.35
OSEM-ChangAC
†
0.98
0.92
0.03
OSEM-NoAC
*
1.04
0.98
0.002
↵
*
P
< 0.01.
↵
†
P
< 0.05.