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. 2025 Nov 11;25:459. doi: 10.1186/s12880-025-01972-y

Table 2.

Quantitative image quality

Artifact Index (AI)
Descriptive Statistics Friedman
Test p
Reconstruction method Pairwise Comparison P
Mean ± SD Score range FBP NMAR O-MAR PISC CNN-
MAR
DuDoNet
32.08 ± 24.16 1.75-124.38 <0.001 FBP -
17.73 ± 6.25 8.10-30.95 NMAR 1.000 -
14.28 ± 6.05 5.06–38.84 O-MAR 0.006 0.297 -
10.70 ± 4.77 3.55–22.87 PISC <0.001 <0.001 0.035 -
13.17 ± 6.77 4.59–31.88 CNN-MAR <0.001 0.006 1.000 0.959 -
8.52 ± 6.86 2.54–45.33 DuDoNet <0.001 <0.001 <0.001 0.181 <0.001 -

Data are expressed as mean±standard deviation