Table 5.
The number of phenotypes labelled during the research image reads of the brain image and the number of phenotypes labelled during human annotation of the radiology reports and precision and recall values for each phenotype comparing research image read as ground truth to human-annotated labels in reports.
| Phenotype | Image | Report | Precision | Recall |
|---|---|---|---|---|
| Ischaemic stroke | 459 | 272 | 0.88 | 0.53 |
| Small vessel disease | 548 | 488 | 0.90 | 0.80 |
| Atrophy | 516 | 476 | 0.83 | 0.77 |