Table 1
Ultrasound measurements of the thyroid gland in 100 healthy newborn infants within the first week of life
| Male infants (n=49) | Female infants (n=51) | All infants | |||||
|---|---|---|---|---|---|---|---|
| Mean (SD) | Range | Mean (SD) | Range | Mean (SD) | Range | ||
| The length, breadth, depth, and volume are given for each lobe along with the combined volume of of the two lobes (R = right lobe; L = left lobe). | |||||||
| Length (cm) | R | 1.99 (0.22) | 1.6–2.5 | 1.88 (0.26) | 0.9–2.5 | 1.94 (0.24) | 0.9–2.5 |
| L | 1.96 (0.21) | 1.6–2.4 | 1.92 (0.27) | 0.9–2.4 | 1.94 (0.24) | 0.9–2.4 | |
| Breadth (cm) | R | 0.87 (0.17) | 0.5–1.4 | 0.86 (0.13) | 0.6–1.2 | 0.87 (0.15) | 0.5–1.4 |
| L | 0.89 (0.14) | 0.6–1.3 | 0.88 (0.17) | 0.6–1.4 | 0.89 (0.16) | 0.6–1.4 | |
| Depth (cm) | R | 0.96 (0.12) | 0.7–1.3 | 0.97 (0.20) | 0.6–2.0 | 0.97 (0.16) | 0.6–2.0 |
| L | 0.91 (0.13) | 0.7–1.2 | 0.99 (0.20) | 0.7–1.9 | 0.95 (0.17) | 0.7–1.9 | |
| Volume (ml) | R | 0.84 (0.24) | 0.3–1.4 | 0.78 (0.22) | 0.5–1.7 | 0.81 (0.23) | 0.3–1.7 |
| L | 0.79 (0.19) | 0.4–1.3 | 0.84 (0.29) | 0.4–1.7 | 0.82 (0.24) | 0.4–1.7 | |
| Total volume (ml) | 1.63 (0.37) | 0.7–2.4 | 1.61 (0.44) | 1.0–3.3 | 1.62 (0.41) | 0.7–3.3 | |
