Table 2.
Agreement among pathologists (n = 10) and pathologists in training (n = 4) in assessing the depth of invasion
| Subgroups | Conventional method (%) | Alternative method |
|---|---|---|
| Pathologists | ||
| Overall agreement | 85.0 | 89.4 |
| Slides | ||
| Straightforward (n = 30) | 86.3 | 91.3 |
| Diagnostically challenging (n = 20) | 83.0 | 86.5 |
| Type of centre | ||
| Oncology (n = 5) | 88.0 | 91.6 |
| Referring (n = 5) | 83.2 | 88.8 |
| Slides with full agreement | 34.0 | 54.0 |
| Discordant slides (agreement ≥60%) | 10.0 | 8.0 |
| Residents | ||
| Overall | 93.5 | 89.5 |
| Slides | ||
| Straightforward (n = 30) | 95.8 | 90.8 |
| Diagnostically challenging (n = 20) | 90.0 | 87.5 |
| Slides with full agreement | 84.0 | 72.0 |
| Discordant slides (agreement ≤60%) | 6.0 | 10.0 |