Table 5. A comparison of the quantitative image analysis among the eight image datasets.
| FBP | AV-30 | AV-50 | AV-80 | AV-100 | DL-L | DL-M | DL-H | P value | |
|---|---|---|---|---|---|---|---|---|---|
| SD | 36.56±2.92c,d,e,f,g,h | 29.17±2.38d,e,g,h | 24.21±2.10d,e,h | 17.09±1.89e,f | 12.51±1.87f, g | 23.50±1.91h | 18.61±1.78h | 13.51±1.59 | ≤0.001 |
| SNR | 2.87±0.48c,d,e,f,g,h | 3.63±0.60d,e,g,h | 4.38±0.73d,e,h | 6.24±0.95f | 8.77±1.41f, g | 4.51±0.78h | 5.67±0.98h | 7.92±1.37 | ≤0.001 |
| CNR | 1.17±0.37d,e,f,g,h | 1.47±0.46d,e,g,h | 1.77±0.56d,e,h | 2.52±0.80 | 3.48±1.18f | 1.82±0.55h | 2.31±0.70 | 3.18±0.97 | ≤0.001 |
Data are presented as the mean ± standard deviation. c, Statistical significance with AV-50, P≤0.001. d, Statistical significance with AV-80, P<0.05. e, Statistical significance with AV-100, P<0.05. f, Statistical significance with DL-L, P<0.05. g, Statistical significance with DL-M, P≤0.001. h, Statistical significance with DL-H, P<0.05. SD, standard deviation for paraspinal muscle; SNR, signal-to-noise ratio of liver; CNR, contrast-to-noise ratio of liver.