| |
FBP
|
50% ASIR-V
|
100% ASIR-V
|
DL-H
|
F
|
P
|
|---|
|
5 mm images
|
|
GM CT
|
32.58 ± 2.19
|
32.74 ± 2.36
|
32.77 ± 2.33
|
32.46 ± 2.31
|
0.23
|
0.88
|
|
GM SD
|
4.51 ± 1.15
|
3.35 ± 0.84
|
2.28 ± 0.62*
|
2.26 ± 0.50*
|
93.83
|
< 0.001
|
|
WM CT
|
25.75 ± 2.66
|
25.49 ± 2.82
|
25.52 ± 2.84
|
25.56 ± 2.73
|
0.10
|
0.96
|
|
WM SD
|
4.28 ± 0.84
|
3.16 ± 0.60
|
2.21 ± 0.57
|
2.00 ± 0.34
|
159.18
|
< 0.001
|
|
GM SNR
|
7.67 ± 1.83
|
10.35 ± 2.44
|
15.40 ± 4.29*
|
15.03 ± 3.13*
|
82.28
|
< 0.001
|
|
WM SNR
|
6.20 ± 1.12
|
8.28 ± 1.46
|
12.05 ± 2.42
|
13.07 ± 2.24
|
159.09
|
< 0.001
|
|
CNR
|
1.61 ± 0.60
|
2.30 ± 0.79
|
3.33 ± 1.10*
|
3.30 ± 1.06*
|
46.08
|
< 0.001
|
|
0.625 mm images
|
|
GM CT
|
32.57 ± 2.62
|
32.71 ± 2.68
|
32.76 ± 2.57
|
32.64 ± 2.52
|
0.06
|
0.98
|
|
GM SD
|
8.23 ± 1.68
|
5.74 ± 1.18
|
3.43 ± 0.80*
|
3.35 ± 0.68*
|
221.42
|
< 0.001
|
|
WM CT
|
25.36 ± 3.00
|
25.37 ± 3.06
|
25.42 ± 3.00
|
25.47 ± 2.85
|
0.02
|
1.00
|
|
WM SD
|
8.07 ± 1.57
|
5.60 ± 1.13
|
3.38 ± 0.81*
|
3.11 ± 0.58*
|
247.66
|
< 0.001
|
|
GM SNR
|
4.11 ± 0.86
|
5.94 ± 1.31
|
10.09 ± 2.53*
|
10.09 ± 1.96*
|
157.54
|
< 0.001
|
|
WM SNR
|
3.24 ± 0.67
|
4.68 ± 0.97
|
7.86 ± 1.80
|
8.40 ± 1.45
|
201.80
|
< 0.001
|
|
CNR
|
0.91 ± 0.41
|
1.33 ± 0.55
|
2.21 ± 0.85*
|
2.26 ± 0.77*
|
54.59
|
< 0.001
|
- SG: clarity level of sulci/cisterns boundaries; BM: boundaries between the white and gray matters; WQ: whole image quality
- *Without significant statistical differences for the numbers with * between the paired comparison
