Table 3.
Distribution of Tissue of Origin Test Results by Tumor Type
| Specimen (abbreviation) | No. of specimens | Distribution of Tissue of Origin Test results result across the 15 tissues on the Tissue of Origin Test panel |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BL | BR | CO | GA | GC | KI | LI | LU | LY | ME | OV | PA | PR | SC | TH | ||
| Bladder (BL) | 29 | 23 | 1 | 1 | 4 | |||||||||||
| Breast (BR) | 57 | 55 | 2 | |||||||||||||
| Colorectal (CO) | 36 | 33 | 1 | 1 | 1 | |||||||||||
| Gastric (GA) | 25 | 5 | 18 | 1 | 1 | |||||||||||
| Germ Cell (GC) | 25 | 1 | 1 | 21 | 2 | |||||||||||
| Kidney (KI) | 28 | 25 | 3 | |||||||||||||
| Hepatocellular (LI) | 25 | 24 | 1 | |||||||||||||
| Non-Small Cell Lung (LU) | 27 | 1 | 1 | 23 | 1 | 1 | ||||||||||
| Non-Hodgkin's Lymphoma (LY) | 29 | 2 | 26 | 1 | ||||||||||||
| Melanoma (ME) | 25 | 2 | 21 | 2 | ||||||||||||
| Ovarian (OV) | 45 | 1 | 1 | 40 | 2 | 1 | ||||||||||
| Pancreas (PA) | 28 | 2 | 1 | 24 | 1 | |||||||||||
| Prostate (PR) | 25 | 1 | 24 | |||||||||||||
| Sarcoma (SC) | 27 | 1 | 1 | 1 | 24 | |||||||||||
| Thyroid (TH) | 31 | 1 | 2 | 28 | ||||||||||||
| Total | 462 | 23 | 59 | 46 | 24 | 21 | 27 | 24 | 23 | 28 | 21 | 45 | 29 | 24 | 40 | 28 |
The confusion matrix highlights, on the diagonal in bold, the high level of overall agreement of the test results with the reference diagnoses. The results off the diagonal identify the test results that do not agree with the reference diagnosis.