Table 2.
Morphometric parameters of the C4 vertebral body
| Age (weeks) | n | Height (mm) | Transverse diameter (mm) | Sagittal diameter (mm) | Cross-sectional area (mm2) | Volume (mm3) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| 17 | 1 | 2.07 | 2.90 | 2.77 | 7.50 | 15.53 | |||||
| 18 | 3 | 2.57 | 0.20 | 3.36 | 0.02 | 2.68 | 0.12 | 9.00 | 0.46 | 23.11 | 0.95 |
| 19 | 8 | 2.70 | 0.20 | 3.32 | 0.28 | 2.72 | 0.05 | 8.14 | 1.12 | 22.07 | 4.21 |
| ↓ (P < 0.05) | ↓ (P < 0.01) | ↓ (P < 0.05) | ↓ (P < 0.01) | ↓ (P < 0.001) | |||||||
| 20 | 4 | 2.99 | 0.18 | 3.34 | 0.12 | 2.85 | 0.14 | 7.38 | 0.81 | 22.02 | 2.74 |
| 21 | 4 | 3.04 | 0.03 | 3.98 | 0.26 | 3.06 | 0.05 | 11.23 | 0.89 | 34.16 | 2.79 |
| 22 | 4 | 2.76 | 0.08 | 4.02 | 0.36 | 3.29 | 0.08 | 9.68 | 0.53 | 26.72 | 1.49 |
| ↓ (P < 0.05) | ↓ (P < 0.01) | ↓ (P < 0.05) | ↓ (P < 0.05) | ↓ (P < 0.01) | |||||||
| 23 | 5 | 3.14 | 0.29 | 3.76 | 0.26 | 3.09 | 0.24 | 11.16 | 1.57 | 35.07 | 6.19 |
| 24 | 9 | 3.12 | 0.15 | 4.33 | 0.34 | 3.42 | 0.27 | 11.98 | 1.94 | 38.84 | 8.94 |
| 25 | 1 | 3.05 | 4.22 | 2.97 | 10.50 | 32.03 | |||||
| ↓ (P < 0.05) | ↓ (P < 0.01) | ↓ (P < 0.01) | ↓ (P < 0.01) | ↓ (P < 0.01) | |||||||
| 26 | 2 | 3.29 | 0.34 | 3.85 | 0.01 | 3.33 | 0.30 | 13.80 | 2.26 | 49.44 | 19.45 |
| 27 | 6 | 3.28 | 0.52 | 4.29 | 0.73 | 3.49 | 0.25 | 11.90 | 3.12 | 36.59 | 13.24 |
| 28 | 2 | 4.06 | 0.16 | 5.24 | 0.33 | 3.57 | 0.14 | 17.70 | 0.14 | 71.79 | 3.45 |
| ↓ (P < 0.05) | ↓ (P < 0.05) | ↓ (P < 0.01) | ↓ (P < 0.001) | ↓ (P < 0.01) | |||||||
| 29 | 2 | 3.37 | 0.01 | 4.66 | 0.01 | 3.90 | 0.01 | 14.55 | 0.21 | 48.96 | 0.61 |
| 30 | 4 | 3.81 | 0.21 | 5.31 | 0.28 | 3.95 | 0.24 | 18.33 | 1.70 | 72.43 | 9.46 |