Table 2.
Percentage of laboratories performing each of the genotyping testing combinations. As several laboratories employ more than one technology, the columns may exceed 100%
| Genotyping testing combination | 2013–2014 | 2013–2014 | 2013–2014 | 2014–2015 | 2014–2015 | 2015–2016 | 2015–2016 |
|---|---|---|---|---|---|---|---|
| Run 1 n = 58 |
Run 2 n = 61 |
Run 3 n = 64 |
Run 1 n = 84 |
Run 2 n = 84 |
Run 1 n = 99 |
Run 2 n = 108 |
|
| KRAS only | 49.2 | 38.3 | 23.8 | 14.3 | 10.7 | 11.2 | 8.2 |
| KRAS + NRAS | 0 | 1.7 | 12.7 | 27.4 | 33.3 | 40.8 | 34.7 |
| KRAS + NRAS + BRAF | 0 | 11.7 | 31.7 | 31.0 | 31.0 | 23.5 | 36.7 |
| KRAS + NRAS + BRAF + PIK3CA | 0 | 16.7 | 22.2 | 20.2 | 21.4 | 22.4 | 30.6 |
| KRAS + NRAS + PIK3CA | 0 | 1.7 | 1.6 | 1.2 | 1.2 | 1.0 | 0 |
| KRAS + BRAF + PIK3CA | 16.9 | 3.3 | 1.6 | 2.4 | 1.2 | 1.0 | 1.0 |
| KRAS + BRAF | 33.9 | 26.7 | 6.3 | 3.6 | 1.2 | 0 | 0 |