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Tissue of Origin Test Performance Stratified by Age of FFPE Specimens
| Specimen, year | Agreement % (ratio) | Nonagreement % (ratio) |
|---|---|---|
| Before 2005 | 83.3 (5/6) | 16.7 (1/6) |
| 2005 | 86.2 (94/109) | 13.8 (15/109) |
| 2006 | 92.1 (82/89) | 7.9 (7/89) |
| 2007 | 89.9 (134/149) | 10.1 (15/149) |
| 2008 | 86.7 (85/98) | 13.3 (13/98) |
| 2009 | 81.8 (9/11) | 18.2 (2/11) |
| Overall | 88.5 (409/462) | 11.5 (53/462) |
| 95% CI | 85.3–91.3 | 8.7–14.7 |
