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[Preprint]. 2026 Oct 8:2026.09.18.26363428. Originally published 2026 Sep 21. [Version 2] doi: 10.64898/2026.09.18.26363428

Table 2. Test set composition after training data refinement.

Model Total Pairs Negative Class Positive Class
Mother-Child 1,465,932 1,348,030 (92.0%) 117,902 (8.0%)
Father-Child 1,420,784 1,371,114 (96.5%) 49,670 (3.5%)
Sibling-Sibling 1,503,177 1,391,656 (92.6%) 111,521 (7.4%)
Twin-Twin 1,446,000 1,439,505 (99.6%) 6,495 (0.4%)
Partner-Partner 1,465,206 1,407,907 (96.1%) 57,299 (3.9%)