TABLE 1.

Participant Demographics.

Characteristic	N (%)*
Age (in years) at enrollment [mean (range)]	18 (14–25)
Age (in years) at diagnosis [mean (range)]	13 (6–20)
Sex
Male	19 (59)
Female	13 (41)
Race
White/Caucasian	18 (56)
Asian	5 (16)
More than one race	5 (16)
Unknown	4 (12)
Ethnicity
Not Hispanic or Latinx	22 (69)
Hispanic or Latinx	6 (19)
Unknown	4 (12)
Diagnosis
Leukemia/Lymphoma	23 (71)
Brain Tumor	6 (19)
Sarcoma	3 (9)
Deceased at time of analysis
No	24 (75)
Yes	8 (25)

^*unless otherwise noted