Table 1.

Summary of the cfDNA cohort used in this study

Clinical characteristicStatistics
Number of patients21,807
Number of samples25,578
Number of patients with alterations18,503
Number of patients with multiple tests2,222
Number of cancer types>50
Alterations per sample3 (median); 0–166 (range)
Days from diagnosis to blood draw738 (mean); 335 (median)
Gender proportion56% female; 44% male
Age range23–92 (median, 64)
  • NOTE: No treatment, follow-up, or outcome data were available.