Table 1 Average quantitative values for image noise, mean attenuation values and contrast-to-noise ratio of three different reconstruction algorithms
FBP | ASIR | MBIR | ||||
|---|---|---|---|---|---|---|
Mean noise | ||||||
Mean | 47.65 | 39.36 | 15.74 | |||
SD | 15.84 | 13.40 | 3.74 | |||
Mean attenuation values | ||||||
Mean | −106.74 | −106.75 | −106.58 | |||
SD | 9.68 | 9.70 | 9.66 | |||
Mean contrast-to-noise ratio | ||||||
LT kidney | RT kidney | LT kidney | RT kidney | LT kidney | RT kidney | |
Mean | 3.18 | 3.19 | 3.86 | 3.88 | 9.13 | 9.09 |
SD | 0.97 | 0.97 | 1.20 | 1.20 | 2.02 | 1.82 |