Table 3.
Open in new tab

The mean nSD and SNR, and the respective acceleration factor of each scan protocol in two groups

6 s scan group (×3)10 s scan group (×2)
Scan time6 s20 s10 s20 s
CS factor1.52.02.511.21.552.01
nSDa0.188c0.0870.0800.0880.107c0.092c0.0770.077
SNRb5.504c11.6912.8411.799.668c11.11c13.3713.39
Total PI factor6.04.03.02.04.03.12.42.0
6 s scan group (×3)10 s scan group (×2)
Scan time6 s20 s10 s20 s
CS factor1.52.02.511.21.552.01
nSDa0.188c0.0870.0800.0880.107c0.092c0.0770.077
SNRb5.504c11.6912.8411.799.668c11.11c13.3713.39
Total PI factor6.04.03.02.04.03.12.42.0

CS, compressed sensing; PI, parallel imaging; SNR, Signal-to-noise ratio; nSD, Normalized standard deviation.

a

SD/mean value.

b

Mean value/SD,

c

The score was significantly different from that of the 20-s scan (p < 0.05).

Table 3.
Open in new tab

The mean nSD and SNR, and the respective acceleration factor of each scan protocol in two groups

6 s scan group (×3)10 s scan group (×2)
Scan time6 s20 s10 s20 s
CS factor1.52.02.511.21.552.01
nSDa0.188c0.0870.0800.0880.107c0.092c0.0770.077
SNRb5.504c11.6912.8411.799.668c11.11c13.3713.39
Total PI factor6.04.03.02.04.03.12.42.0
6 s scan group (×3)10 s scan group (×2)
Scan time6 s20 s10 s20 s
CS factor1.52.02.511.21.552.01
nSDa0.188c0.0870.0800.0880.107c0.092c0.0770.077
SNRb5.504c11.6912.8411.799.668c11.11c13.3713.39
Total PI factor6.04.03.02.04.03.12.42.0

CS, compressed sensing; PI, parallel imaging; SNR, Signal-to-noise ratio; nSD, Normalized standard deviation.

a

SD/mean value.

b

Mean value/SD,

c

The score was significantly different from that of the 20-s scan (p < 0.05).

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