Table 1 Mean, median, 95% confidence intervals (CI), and IQR of the difference between CBCT with and without MAR for each artifact source and each reader. Results for motion as artifact source are not listed due to missing data for MAR-corrected images.
Nr. of cases | Mean difference | 95% CI of Mean | Median difference | 25th Perc | 75th Perc | Min Diff | Max. Diff | |||
|---|---|---|---|---|---|---|---|---|---|---|
Lower limit | Upper limit | |||||||||
Coils | Reader 1 | 40 | 1.68 | 1.51 | 1.85 | 2.0 | 1.00 | 2.00 | 0 | 2 |
Reader 2 | 40 | 1.50 | 1.28 | 1.72 | 2.0 | 1.00 | 2.00 | 0 | 2 | |
Reader 3 | 39 | 1.56 | 1.35 | 1.77 | 2.0 | 1.00 | 2.00 | 0 | 2 | |
Reader 4 | 40 | 1.70 | 1.55 | 1.85 | 2.0 | 1.00 | 2.00 | 1 | 2 | |
Clips | Reader 1 | 6 | 0.67 | − 0.19 | 1.53 | 0.5 | 0.00 | 1.00 | 0 | 2 |
Reader 2 | 6 | 0.83 | − 0.40 | 2.06 | 0.5 | 0.00 | 1.00 | 0 | 3 | |
Reader 3 | 5 | 0.40 | − 0.28 | 1.08 | 0.0 | 0.00 | 1.00 | 0 | 1 | |
Reader 4 | 6 | 1.00 | 0.06 | 1.94 | 1.0 | 0.25 | 1.75 | 0 | 2 | |
Catheters | Reader 1 | 43 | 1.37 | 1.19 | 1.55 | 1.0 | 1.00 | 2.00 | 0 | 2 |
Reader 2 | 43 | 1.30 | 1.09 | 1.51 | 1.0 | 1.00 | 2.00 | 0 | 3 | |
Reader 3 | 43 | 1.42 | 1.24 | 1.60 | 1.0 | 1.00 | 2.00 | 0 | 2 | |
Reader 4 | 43 | 1.51 | 1.33 | 1.69 | 2.0 | 1.00 | 2.00 | 0 | 3 | |
CHD stents | Reader 1 | 3 | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0 | 0 |
Reader 2 | 3 | 0.67 | − 0.76 | 2.10 | 1.0 | 0.50 | 1.00 | 0 | 1 | |
Reader 3 | 3 | 0.33 | − 1.10 | 1.76 | 0.0 | 0.00 | 0.50 | 0 | 1 | |
Reader 4 | 3 | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0 | 0 | |
Renal pelvis | Reader 1 | 43 | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0 | 0 |
Reader 2 | 43 | 0.16 | 0.05 | 0.27 | 0.0 | 0.00 | 0.00 | 0 | 1 | |
Reader 3 | 43 | 0.26 | 0.11 | 0.41 | 0.0 | 0.00 | 0.00 | 0 | 2 | |
Reader 4 | 43 | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0 | 0 | |
Tumor visibility | Reader 1 | 43 | 0.02 | − 0.03 | 0.07 | 0.0 | 0.00 | 0.00 | 0 | 1 |
Reader 2 | 43 | 0.09 | − 0.10 | 0.28 | 0.0 | 0.00 | 0.00 | − 2 | 2 | |
Reader 3 | 43 | 0.05 | − 0.14 | 0.24 | 0.0 | 0.00 | 0.00 | − 2 | 1 | |
Reader 4 | 43 | 0.09 | 0.00 | 0.18 | 0.0 | 0.00 | 0.00 | 0 | 1 | |
Vessel discrimination | Reader 1 | 43 | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0 | 0 |
Reader 2 | 43 | 0.14 | 0.00 | 0.28 | 0.0 | 0.00 | 0.00 | − 1 | 2 | |
Reader 3 | 43 | 0.12 | 0.00 | 0.24 | 0.0 | 0.00 | 0.00 | 0 | 2 | |
Reader 4 | 43 | 0.02 | − 0.03 | 0.07 | 0.0 | 0.00 | 0.00 | 0 | 1 | |
