Table 1.
The number of simulated nodules in 14 patterns
| Pattern | CTAV | More attenuated nodules (−630 HU) |
Less attenuated nodules (−800 HU) |
Total | ||||
|---|---|---|---|---|---|---|---|---|
| ND | 5 mm | 8 mm | 10 mm | 5 mm | 8 mm | 10 mm | ||
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 2 | 1 | 2 | 1 | 1 | 1 | 2 | 8 | |
| 3 | 0 | 2 | 1 | 1 | 0 | 1 | 5 | |
| 4 | 1 | 1 | 0 | 1 | 0 | 1 | 4 | |
| 5 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | |
| 6 | 1 | 1 | 1 | 0 | 2 | 1 | 6 | |
| 7 | 1 | 1 | 0 | 0 | 1 | 1 | 4 | |
| 8 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | |
| 9 | 3 | 2 | 1 | 0 | 0 | 1 | 7 | |
| 10 | 1 | 2 | 1 | 1 | 1 | 1 | 7 | |
| 11 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | |
| 12 | 1 | 2 | 1 | 1 | 1 | 2 | 8 | |
| 13 | 2 | 1 | 1 | 1 | 2 | 2 | 9 | |
| 14 | 1 | 2 | 2 | 1 | 1 | 2 | 9 | |
| Total | 14 | 17 | 10 | 7 | 10 | 16 | 74 | |
CTAV, CT attenuation value; HU, Hounsfield units; ND, nodular diameter.