Table 3.

Subject distribution by age across the training, validation, and test sets.

Datasets	Subjects	18–29	30–39	40–49	50–59	60–69	70–79	≥80
Training	87,644	7.56%	6.19%	10.55%	18.19%	23.61%	19.87%	14.02%
Validation	5749	5.34%	7.83%	12.30%	19.79%	29.62%	25.12%	0.00%
Test	36,103	3.46%	6.36%	11.10%	18.78%	25.06%	22.42%	12.83%