The degree of agreement among participating pathologists for images stratified according to the proffered pathological diagnosis by AH, used in the initial and repeat classification exercises
| Pathological diagnosis of the image (no. of images) | Agreement by pathologists in 1st exercise (%) | Agreement by pathologists in 2nd exercise (%) |
|---|---|---|
| CCC, columnar cell change; DCIS, ductal carcinoma in situ. | ||
| DCIS (5) | Complete agreement: 1 (20) | Complete agreement: 5 (100) |
| 7 of 8 pathologists agree: 4 (80) | ||
| CCC with cytological atypia (14) | Complete agreement: 2 (14.3) | Complete agreement: 1 (7.1) |
| 7 of 8 pathologists agree: 2 (14.3) | 6 of 8 pathologists agree: 7 (50) | |
| 6 of 8 pathologists agree: 4 (28.6) | 5 of 8 pathologists agree: 3 (21.4) | |
| 5 of 8 pathologists agree: 4 (28.6) | 4 of 8 pathologists agree: 2 (14.3) | |
| 4 of 8 pathologists agree: 2 (14.3) | 3 of 8 pathologists agree: 1 (7.1) | |
| CCC with architectural atypia (4) | Complete agreement: 1 (25) | 5 of 8 pathologists agree: 2 (50) |
| 4 of 8 pathologists agree: 2 (50) | 4 of 8 pathologists agree: 1 (25) | |
| 3 of 8 pathologists agree: 1 (25) | 3 of 8 pathologists agree: 1 (25) | |
| Columnar cell hyperplasia (5) | Complete agreement: 1 (20) | Complete agreement: 3 (60) |
| 7 of 8 pathologists agree: 3 (60) | 6 of 8 pathologists agree: 1 (20) | |
| 4 of 8 pathologists agree: 1 (20) | 3 of 8 pathologists agree: 1 (20) | |
| Columnar cell change (11) | Complete agreement: 1 (9.1) | Complete agreement: 1 (9.1) |
| 7 of 8 pathologists agree: 2 (18.2) | 7 of 8 pathologists agree: 2 (18.2) | |
| 6 of 8 pathologists agree: 4 (36.4) | 6 of 8 pathologists agree: 2 (18.2) | |
| 5 of 8 pathologists agree: 3 (27.3) | 5 of 8 pathologists agree: 4 (36.4) | |
| 3 of 8 pathologists agree: 1 (9.1) | 2 of 8 pathologists agree: 2 (19.2) | |