Table 2.
Comparison of objective image data
| Image noise or CT number (HU) | Comparison (P value) | ||||||
|---|---|---|---|---|---|---|---|
| UL-MBIR | L-ASIR | UL-ASIR | UL-MBIR vs. L-ASIR | UL-MBIR vs. UL-ASIR | L-ASIR vs.UL-ASIR | ||
| Image noise | Aorta | 18.1 ± 3.5 | 47.4 ± 6.6 | 90.5 ± 11.1 | <0.001* | <0.001* | <0.001* |
| Muscle | 17.2 ± 2.7 | 43.9 ± 6.2 | 80.8 ± 9.1 | <0.001* | <0.001* | <0.001* | |
| CT number | Aorta | 39.8 ± 5.7 | 43.6 ± 6.3 | 45.4 ± 9.5 | <0.001* | <0.001* | 0.085 |
| Muscle | 58.5 ± 9.2 | 57.6 ± 8.8 | 59.1 ± 10.5 | 0.125 | 0.441 | 0.096 | |
For comparison, Student’s paired t-test was performed.
*P<0.016.