FFPE sample characteristics in the diagnostic (A) and in the unfavorable control group (B).

& = >50% tumor cells for 88 samples in group A and all samples in group B* = values from all samples (n = 210 for this test) for the DNA control assays employed (7 assays)** = Ct (Cycle threshold) limiting value for reliable highest sensitivity assessments with each test (# = Ct value for reliable assessments with a sensitivity of ∼7% tumor cellsˆ = values from all samples tested (n = 95 for this test) for the DNA control assay employed (1 assay)