Table 2.
Distribution of Results from Genetic Testing in Fetuses with Identified NT, DLM, or VLM.
| Characteristic | NT (n = 31), No. (%) |
P Value, NT vs DLM Comparison |
P Value, NT vs VLM Comparison |
DLM (n = 65), No. (%) |
P Value, DLM vs VLM Comparison |
VLM (n = 4), No. (%) |
|---|---|---|---|---|---|---|
| No chromosomal anomaly | 22 (71.0) | 11 (16.9) | 4 (100) | |||
| Chromosomal anomaly | 9 (29.0) | <.001 | .21 | 54 (83.1) | <.001 | 0 (0.0) |
| Trisomy 21 | 7 (22.6) | 16 (24.6) | NA | |||
| Turner | 0 (0.0) | 23 (35.4) | NA | |||
| Trisomy 13 | 1 (3.2) | 2 (3.1) | NA | |||
| Trisomy 18 | 0 (0.0) | 8 (12.4) | NA | |||
| Other | 1 (3.2) | 5 (7.7) | NA | |||
| Missinga | 27 | 55 | 7 |
Abbreviations: DLM, dorsal lymphatic malformation; NA, not applicable; NT, nuchal thickening; VLM, ventral lymphatic malformation.
a
Unknown chromosomal anomaly/no chromosomal testing performed.