Background
Methods
Study design and participant selection
Ultrasound equipment
Ultrasound examinations
Statistical analysis
Results
Participant enrollments and facial profile markers
Intra- and inter-observer agreements and reproducibility
Observer 1 | Observer 2 | Observer 1 and 2 | |||||||
---|---|---|---|---|---|---|---|---|---|
Mean | 95% LoA | Mean | 95% LoA | Mean | 95% LoA | ||||
FMF | 0.169 | (-2.731 ~ 3.069) | 0.059 | (-1.094 ~ 1.212) | 0.034 | (-1.835 ~ 1.903) | |||
MNM | -0.156 | (-1.743 ~ 1.432) | -0.003 | (-0.983 ~ 0.976) | -0.201 | (-1.425 ~ 1.022) | |||
FMA | -0.179 | (-2.742 ~ 2.383) | -0.038 | (-0.763 ~ 0.686) | -0.194 | (-2.857 ~ 2.469) | |||
IFA | -0.083 | (-2.655 ~ 2.490) | -0.011 | (-0.762 ~ 0.740) | -0.189 | (-4.273 ~ 3.896) | |||
FSD | -0.008 | (-0.236 ~ 0.219) | 0.023 | (-0.227 ~ 0.274) | -0.079 | (-0.623 ~ 0.464) | |||
PL | -0.043 | (-0.283 ~ 0.196) | -0.063 | (-0.658 ~ 0.531) | 0.010 | (-0.409 ~ 0.429) | |||
PMD | -0.023 | (-0.240 ~ 0.193) | 0.0467 | (-0.209 ~ 0.303) | -0.094 | (-0.591 ~ 0.403) |
Observer 1 ICC (95% CI) | Observer 2 ICC (95% CI) | Observer 1 and 2 ICC (95% CI) | |
---|---|---|---|
FMF | 0.897(0.896 ~ 0.915) | 0.952(0.902 ~ 0.977) | 0.885(0.773–0.944) |
MNM | 0.906(0.886 ~ 0.922) | 0.943(0.884 ~ 0.997) | 0.888(0.778–0.945) |
FMA | 0.933(0.920 ~ 0.945) | 0.870(0.746 ~ 0.936) | 0.830(0.673–0.915) |
IFA | 0.909(0.890 ~ 0.924) | 0.938(0.874 ~ 0.970) | 0.812(0.642–0.906) |
FSD | 0.942(0.930 ~ 0.952) | 0.994(0.987 ~ 0.997) | 0.961(0.919–0.981) |
FPL | 0.979(0.975 ~ 0.983) | 0.878(0.759 ~ 0.940) | 0.887(0.776–0.944) |
PMD | 0.979(0.974 ~ 0.983) | 0.879(0.956 ~ 0.990) | 0.879(0.762–0.941) |
Correlations between CRL and facial profile markers
Changes of facial profile markers with congenital malformations
Measures | Normal group (N = 406) | Abnormal group (N = 25) |
P
| Sensitivity | Specificity | |
---|---|---|---|---|---|---|
FMF | 0.021(3.100) | Bilateral cleft lip and palate | -6.189(2.461) | < 0.0001 | 100% (7/7) | 98.8% (401/406) |
Unilateral cleft lip and palate | 1.295(3.137) | > 0.05 | ||||
Micrognathia | 2.212(6.038) | > 0.05 | ||||
Open spina bifida | -10.929(7.794) | < 0.001 | 100% (4/4) | 98.8% (401/406) | ||
MNM | -0.006(2.096) | Bilateral cleft lip and palate | 10.208(6.909) | < 0.0001 | 100% (7/7) | 96.8% (393/406) |
Unilateral cleft lip and palate | 5.158(4.451) | < 0.0001 | 100% (7/7) | 96.8% (393/406) | ||
Micrognathia | 12.285(4.299) | < 0.0001 | 100% (7/7) | 96.8% (393/406) | ||
Open spina bifida | 11.099(7.209) | < 0.001 | 100% (4/4) | 96.8% (393/406) | ||
FMA | 0.004(3.791) | Bilateral cleft lip and palate | -3.011(3.140) | < 0.001 | 14.3% (1/7) | 98.5% (400/406) |
Unilateral cleft lip and palate | -5.266(6.830) | < 0.05 | 42.9% (3/7) | 98.5% (400/406) | ||
Micrognathia | -25.833(3.511) | < 0.0001 | 100% (7/7) | 98.5% (400/406) | ||
Open spina bifida | 5.346(9.797) | > 0.05 | ||||
IFA | -0.020(3.494) | Bilateral cleft lip and palate | -5.727(4.375) | < 0.001 | 57.1% (4/7) | 99.5% (404/406) |
Unilateral cleft lip and palate | -2.858(3.435) | < 0.05 | 14.3% (1/7) | 99.5% (404/406) | ||
Micrognathia | -19.868(6.643) | < 0.0001 | 100% (7/7) | 99.5% (404/406) | ||
Open spina bifida | -3.836(5.891) | < 0.05 | 50% (2/4) | 99.5% (404/406) | ||
FSD | 0.023(1.613) | Bilateral cleft lip and palate | 4.785(1.784) | < 0.0001 | 100% (7/7) | 97.8% (397/406) |
Unilateral cleft lip and palate | 1.574(2.109) | < 0.05 | 28.6% (2/7) | 97.8% (397/406) | ||
Micrognathia | 5.788(2.436) | < 0.0001 | 100% (7/7) | 97.8% (397/406) | ||
Open spina bifida | 2.913(0.519) | < 0.001 | 100% (4/4) | 97.8% (397/406) | ||
PL distance | 0.013(0.608) | Bilateral cleft lip and palate | -0.650(0.718) | < 0.05 | 42.9% (3/7) | 96.8% (393/406) |
Unilateral cleft lip and palate | 0.176(0.514) | > 0.05 | ||||
Micrognathia | -1.399(1.313) | < 0.001 | 71.4% (5/7) | 96.8% (393/406) | ||
Open spina bifida | -0.505(0.906) | > 0.05 | ||||
PMD | -0.016(0.843) | Cleft lip and palate | -3.316(0.741) | < 0.0001 | 100% (20/20) | 97.8% (397/406) |
MG | -0.009(0.073) | Cleft lip and palate | 1.001(0.682) | < 0.0001 | 100% (20/20) | 92.4% (375/406) |