Table 5.
Frequency of pregnancy outcome in different NT thickness
| NT (mm) |
≤ 3
|
3-4
|
4-5
|
5-6
|
≥ 6
|
Total with high NT | OR (95% CI) | P-value |
|---|---|---|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | n (%) | ||||
| Successful delivery | 1305 (94) | 28 (53.8) | 5 (15.1) | 0 (0) | 0 (0) | 33 (31.4) | 4.12 (0.35-5.1) | < 0001 |
| Abortion | 45 (3.2) | 10 (19.2) | 10 (30.3) | 2 (13.3) | 0 (0) | 22 (20.9) | 3.34 (0.15-3.8) | < 0001 |
| IUFD | 19 (1.36) | 5 (9.6) | 7 (21.2) | 3 (20) | 0 (0) | 15 (14.2) | 1.7 (1.35-4.1) | < 0001 |
| Termination | 26 (1.86) | 9 (17.3) | 11(33.3) | 10 (66.6) | 5 (100) | 35 (33.3) | 5.12 (0.22-3.56) | < 0001 |
| Total | 1395 | 52 | 33 | 15 | 5 | 105 | - | - |
P-value shows significant difference in some pregnancy complication between fetus with nt≤3 and nt>3 (Hardy–Weinberg equilibrium test), IUFD: Intra uterine fetal death.