Table 3.
Abnormality classification based on detectability by karyotype
| CMA Group (N = 1475) | CMA/Karyotype Group (N = 1748) | |
|---|---|---|
| Cases with abnormal CMA results | 257 | 156 |
| Karyotype performed (at CombiMatrix/outside lab) | 105 | 56 |
| Detectable by karyotype | 77 | 33 |
| Possibly/partially detectable by karyotype | 7 | 0 |
| Not detectable by karyotype | 21 | 23 |
| Karyotype not performed | 152 | 100 |
| Detectable by karyotype | 100 | 79 |
| Possibly /partially detectable by karyotype | 3 | 1 |
| Not detectable by karyotype | 49 | 20 |
| Overall detection by karyotype? | ||
| Detectable | 177 (12.0%) | 112 (6.4%) |
| Possibly/partially detectable | 10 (0.7%) | 1 (0.06%) |
| Not detectable | 70 (4.7%) | 43 (2.5%) |