Table 4.
Interobserver Annotation Variability Analysis in the Urticaria Images (313 of 353): MAE
| Specialist | A | B | C | D | E | Average MAE |
|---|---|---|---|---|---|---|
| A | - | 10.37 | 6.04 | 4.19 | 10.49 | 7.52 |
| B | 10.37 | - | 7.33 | 9.45 | 6.52 | 8.17 |
| C | 6.04 | 7.33 | - | 5.69 | 7.49 | 6.39 |
| D | 4.19 | 9.45 | 5.69 | - | 10.14 | 7.12 |
| E | 10.49 | 6.52 | 7.49 | 10.14 | - | 8.41 |
Abbreviation: MAE, mean absolute error.
For every image, we calculated the absolute error between each specialist’s lesion counts and then averaged the results. The last column is the average of each specialist.