CHD group | Control group | P value | |
---|---|---|---|
Elisa validation sets (n = 160) | 80 | 80 | |
Maternal age (Year) | 30.63 ± 5.3 | 31.86 ± 6.73 | 0.897 |
Gestational age (week) | 22.664 ± 2.637 | 21.116 ± 2.601 | 0.002 |
NT (cm) | 0.152 ± 0.071 | 0.172 ± 0.069 | 0.072 |
NIPT/Down's screening | 0.741 | ||
Low-risk | 79 | 67 | – |
High-risk | 1 | 13 | – |