Table 3 Re-identification performance (as percentage) while varying the number of maximum time points per patient
From: Re-identification of patients from imaging features extracted by foundation models
| Â | Image level | Patient level | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | N. images | R@1 | R@10 | AP | N. patients | R@1 | R@10 | AP |
MGH | ||||||||
2 | 3220 | 18.2 | 31.2 | 46.7 | 1610 | 21.9 | 36.7 | 36.6 |
3 | 4830 | 25.7 | 41.9 | 51.5 | 40.4 | 61.3 | 48.8 | |
5+ | 16,189 | 53.8 | 71.1 | 79.3 | 85.5 | 95.3 | 91.0 | |
MIDRC | ||||||||
2 | 5164 | 18.6 | 33.1 | 48.0 | 2582 | 22.8 | 37.6 | 38.6 |
3 | 7746 | 29.0 | 46.8 | 61.9 | 45.8 | 66.2 | 61.4 | |
5 | 12,910 | 41.3 | 61.1 | 74.2 | 76.0 | 91.4 | 86.1 | |
7+ | 43,865 | 70.3 | 84.6 | 92.4 | 96.6 | 99.4 | 99.1 | |
