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All 12 experimental conditions in low‐contrast lesion detection tasks
| Condition | #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8 | #9 | #10 | #11 | #12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size (mm) | 5 | 7 | 9 | 11 | 5 | 7 | 9 | 11 | 5 | 5 | 5 | 5 |
| Contrast (HU) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 20 | 20 | 20 | 25 |
| Dose levela | FD | FD | FD | FD | FD | FD | FD | FD | QD | HD | FD | FD |
| Reconstructiona | WFBP | WFBP | WFBP | WFBP | IR | IR | IR | IR | IR | IR | IR | IR |
FD:full routine dose; HD: half routine dose; QD: quarter routine dose.
WFBP: weighted filtered back projection; IR: iterative reconstruction (SAFIRE).
