Table 5 Comparison of genetic detection methods between NT thickening group and CH group.
Method | NT | CH | X2 | P | ||||
|---|---|---|---|---|---|---|---|---|
Positive | Negative | Total | Positive | Negative | Total | |||
KA | 17(9.8%) | 157(90.2%) | 174(100.0%) | 11(26.8%) | 30(73.2%) | 41(100.0%) | 8.525 | <0.01# |
CMA | 23(13.2%) | 151(86.8%) | 174(100.0%) | 17(41.5%) | 24(58.5%) | 41(100.0%) | 17.481 | <0.01# |
WES | 7(26.9%) | 19(73.1%) | 26(100.0%) | 5(55.6%) | 4(44.4%) | 9(100.0%) | 1.328 | 0.249 |