Table 1.

Summary of donor numbers, age, and gender

	Published study (Training set)	Current study (Test set)
Number of donors	60	174
Median age (Range)	48 (19–73) yrs	68 (25–83) yrs
Gender	48 Male	78 Male
	12 Female	96 Female

Donor characteristics are shown for the previously published study (training set) and in the current study (test set) cohort. Age distributions for both cohorts are shown in Figure 1.