Consistency of measuring maximum diameter of invasive carcinoma
| Tumour type | ||||||
|---|---|---|---|---|---|---|
| Ductal | Subset of ductal* | Lobular | Tubular | Medullary | Mucinous | |
| Values are based on the majority diagnoses of coordinators. | ||||||
| *Excluded cases where ⩾33% of readers did not enter a size, suggesting that it was difficult to measure (6 cases), or the distribution of the sizes was bimodal. | ||||||
| % Readings within ±3 mm of median for each case | ||||||
| 50–59 | 3 | 2 | 2 | 1 | ||
| 60–69 | 4 | 3 | 1 | 1 | 1 | |
| 70–79 | 5 | 1 | 1 | 1 | ||
| 80–89 | 12 | 9 | 4 | 1 | 1 | 1 |
| 90–99 | 52 | 50 | 7 | 10 | 4 | 6 |
| Total no. of cases | 76 | 65 | 15 | 12 | 5 | 10 |
| Median % of readings | 94.9 | 95.5 | 89.6 | 96.0 | 97.1 | 93.4 |