Table 4.
The image noise provided by HIR, MBIR, and DLR at each dose setting.
| Dose setting | HIR | MBIR | DLR | One-way ANOVA | Tukey-Kramer test | ||
|---|---|---|---|---|---|---|---|
| HIR vs MBIR | HIR vs DLR | MBIR vs DLR | |||||
| Mean ± SD | p-value | p-value | p-value | p-value | |||
| Ultra-low-dose | 16.3 ± 5.5 | 17.1 ± 6.2 | 16.3 ± 5.8 | 0.1811 | - | - | - |
| Low-dose | 11.1 ± 3.6 | 9.2 ± 3.3 | 8.9 ± 3.2 | <0.0001 | <0.0001 | <0.0001 | 0.7274 |
| Standard-dose | 9.2 ± 2.9 | 5.5 ± 1.8 | 6.9 ± 2.4 | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
ANOVA, analysis of variance; DLR, deep learning reconstruction;HIR, Hybrid iterative reconstruction; MBIR, Model-based iterative reconstruction.