Table 1 Subjective image quality analysis
ASIR | DLIR-L | DLIR-M | DLIR | p value | κ values | |
|---|---|---|---|---|---|---|
Image noise | ||||||
Reader 1 | 3.4 ± 0.5 (3–4) | 3.3 ± 0.6 (2–4) | 3.7 ± 0.4* (3–4) | 4.5 ± 0.5* (4–5) | 0.000 | 0.53 |
Reader 2 | 3.5 ± 0.5 (3–4) | 3.5 ± 0.6 (2–4) | 3.7 ± 0.4* (3–4) | 4.4 ± 0.5* (4–5) | 0.000 | |
Image texture | ||||||
Reader 1 | 3.5 ± 0.6 (2–4) | 3.8 ± 0.5* (3–5) | 3.8 ± 0.4* (3–5) | 4.4 ± 0.6* (3–5) | 0.000 | 0.57 |
Reader 2 | 3.5 ± 0.6 (2–4) | 3.7 ± 0.4* (3–4) | 3.8 ± 0.4* (3–4) | 4.6 ± 0.6* (3–5) | 0.000 | |
Overall image quality | ||||||
Reader 1 | 3.4 ± 0.4 (3–4) | 3.6 ± 0.4 (3–5) | 3.8 ± 0.3* (3–5) | 4.4 ± 0.3* (3–5) | 0.000 | 0.44 |
Reader 2 | 3.5 ± 0.3 (3–4) | 3.6 ± 0.3 (3–4) | 3.8 ± 0.3* (3–4) | 4.4 ± 0.3* (4–5) | 0.000 | |