Research Article
Comparison of Fetal Cerebellum and Cisterna Magna Length by 2D and 3D Ultrasonography between 18 and 24 Weeks of Pregnancy
Table 3
Measurements of the percentiles 5, 10, 50, 90, and 95 of fetal transverse cerebellar diameter (mm) obtained by three-dimensional ultrasonography.
| ā | GA | n | Mean | SD | Min | Max | 5th | 10th | 50th | 90th | 95th |
| Cerebellum 3DUS | 18 | 10 | 19.30 | 0.82 | 18.06 | 20.91 | 18.26 | 18.46 | 19.47 | 19.88 | 20.39 | 19 | 10 | 19.99 | 0.78 | 18.82 | 21.47 | 18.89 | 18.96 | 20.03 | 20.73 | 21.10 | 20 | 8 | 20.89 | 0.92 | 19.73 | 22.30 | 19.83 | 19.93 | 20.72 | 21.92 | 22.11 | 21 | 10 | 22.95 | 1.67 | 20.84 | 26.76 | 21.26 | 21.68 | 22.64 | 24.53 | 25.64 | 22 | 11 | 24.32 | 1.33 | 22.41 | 26.87 | 22.86 | 21.68 | 23.05 | 24.53 | 25.64 | 23 | 10 | 25.73 | 1.15 | 23.51 | 26.98 | 23.90 | 24.29 | 26.07 | 26.78 | 26.88 | 24 | 10 | 27.92 | 0.89 | 26.83 | 29.34 | 26.91 | 26.99 | 27.85 | 28.99 | 29.16 |
| ā | Total | 69 | 23.09 | 3.16 | 18.06 | 29.34 | 18.80 | 19.49 | 23.00 | 27.15 | 28.16 |
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GA: gestational age; n: number of patients in each gestational age; SD: standard deviation; 3DUS: three-dimensional ultrasonography.
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