Table 2 Subjective image evaluation between of the raw and GAN-generated CCTA images in the test set of coronary CT angiography
From: Motion artefact reduction in coronary CT angiography images with a deep learning method
Segment | Raw | GAN- generated | p value | |
|---|---|---|---|---|
Motion artefact score, median (interquartile range) | 3 (4–3) | 4 (5–4) | 0.022 | |
pRCA | 1, highly remarkable, n (%) | 0 | 0 | |
2, remarkable, n (%) | 2/25(8%) | 0 | ||
3, moderate, n (%) | 13/25(52%) | 7/25(28%) | ||
4, minimal, n (%) | 10/25(40%) | 12/25(48%) | ||
5, none, n (%) | 0 | 6/25(24%) | ||
median (interquartile range) | 3 (3–2) | 5(5–4) | p < 0.001 | |
mRCA | 1, highly remarkable, n (%) | 3/25(12%) | 1/25(4%) | |
2, remarkable, n (%) | 3/25(12%) | 0 | ||
3, moderate, n (%) | 14/25(56%) | 1/25(4%) | ||
4, minimal, n (%) | 5/25(20%) | 10/25(40%) | ||
5, none, n (%) | 0 | 13/25(52%) | ||
median (interquartile range) | 4 (4–3) | 4 (4–4) | 0.822 | |
dRCA | 1, highly remarkable, n (%) | 1/25(4%) | 0 | |
2, remarkable, n (%) | 2/25(8%) | 1/25(4%) | ||
3, moderate, n (%) | 6/25(24%) | 4/25(16%) | ||
4, minimal, n (%) | 14/25(56%) | 17/25(68%) | ||
5, none, n (%) | 2/25(8%) | 3/25(12%) | ||
Overall image quality score, median (interquartile range) | 3 (4–3) | 4 (5–4) | P < 0.001 | |
pRCA | 1, nondiagnostic, n (%) | 0 | 0 | |
2, reduced, n (%) | 1/25(4%) | 0 | ||
3, adequate, n (%) | 13/25(52%) | 6/25(24%) | ||
4, good, n (%) | 11/25(44%) | 12/25(48%) | ||
5, excellent, n (%) | 0 | 7/25(28%) | ||
median (interquartile range) | 3 (3–2) | 4 (4–3) | P < 0.001 | |
mRCA | 1, nondiagnostic, n (%) | 2/25(8%) | 0 | |
2, reduced, n (%) | 6/25(24%) | 2/25(8%) | ||
3, adequate, n (%) | 14/25(56%) | 10/25(40%) | ||
4, good, n (%) | 3/25(12%) | 11/25(44%) | ||
5, excellent, n (%) | 0 | 2/25(8%) | ||
median (interquartile range) | 4 (5–3) | 5 (5–4) | P < 0.001 | |
dRCA | 1, nondiagnostic, n (%) | 0 | 0 | |
2, reduced, n (%) | 3/25(12%) | 1/25(%) | ||
3, adequate, n (%) | 4/25(16%) | 4/25(16%) | ||
4, good, n (%) | 11/25(44%) | 7/25(28%) | ||
5, excellent, n (%) | 7/25(28%) | 13/25(52%) |