Table 3.
Lesion concordance rates between low-dose CT screening versus a follow-up standard diagnostic CT
| Observers | |||||||
|---|---|---|---|---|---|---|---|
| Category | A | B | C | D | E | Average with lesion | Statistically significant difference |
| Size of nodule (mm) | 100% | 100% | 100% | 100% | 100% | 100% | p < 0.001 |
| Pattern | 92% | 84% | 78% | 73% | 84% | 82% | p < 0.001 |
| Calcification | 100% | 100% | 100% | 100% | 95% | 99% | p < 0.001 |
| Boundary | 95% | 95% | 76% | 95% | 84% | 89% | p < 0.001 |
| Shape | 81% | 97% | 95% | 95% | 86% | 91% | p < 0.001 |
| Margin | 89% | 89% | 92% | 89% | 95% | 91% | p < 0.001 |
| Spiculation | 84% | 95% | 97% | 76% | 97% | 90% | p < 0.001 |
| Glomerulus | 97% | 95% | 100% | 92% | 84% | 94% | p < 0.001 |
| Indrawn pleura sign | 92% | 84% | 95% | 73% | 89% | 87% | p < 0.001 |
| Air bronchogram | 86% | 73% | 84% | 100% | 70% | 83% | p < 0.001 |
| Final diagnosis | 97% | 97% | 95% | 84% | 95% | 94% | p < 0.001 |