Table 1.
Summary of the morphometric measurements of 41 atlas specimens
| Parameters | Female | Male | ||
|---|---|---|---|---|
| Mean ± SD | Range | Mean ± SD | Range | |
| Age (years) | 52.2 ± 20.5 | 20–88 | 48.1 ± 15.9 | 18–74 |
| Weight (kg) | 66.2 ± 15.0** | 40.4–91.6 | 84.8 ± 14.2 | 59.8–118.0 |
| Height (m) | 1.66 ± 0.07** | 1.55–1.75 | 1.78 ± 0.09 | 1.61–1.97 |
| D1 (mm) | 74.2 ± 4.5** | 65.0–84.0 | 82.8 ± 4.6 | 72.0–93.0 |
| D2 (mm) | 44.8 ± 2.5** | 39.0–49.0 | 49.6 ± 3.7 | 46.0–61.0 |
| D3 (mm) | 8.9 ± 0.7* | 7.8–10.3 | 9.8 ± 1.7 | 6.8–12.4 |
| D4 (mm) | 4.1 ± 0.8 | 2.9–6.0 | 4.6 ± 0.9 | 2.8–6.6 |
| D5 (mm) | 17.6 ± 1.7 | 14.0–20.0 | 18.3 ± 1.3 | 16.2–21.0 |
| D6 (mm) | 13.9 ± 1.2** | 12.1–16.8 | 15.2 ± 1.3 | 13.2–17.9 |
| D7 (mm) | 11.3 ± 1.1 | 9.8–14.0 | 11.8 ± 1.2 | 10.1–14.1 |
| D8 (mm) | 21.6 ± 1.7** | 17.8–24.0 | 23.6 ± 2.3 | 18.2–27.9 |
| D9 (mm) | 28.0 ± 1.9 | 25.4–31.6 | 28.9 ± 1.8 | 25.8–32.8 |
| D10 (mm) | 17.6 ± 1.7 | 14.0–20.0 | 18.3 ± 1.3 | 16.2–21.0 |
| A1 (°) | 22.6 ± 3.1 | 16.0–30.0 | 23.9 ± 3.6 | 18.0–32.0 |
| A2 (°) | −6.6 ± 3.0** | −14.0–−2.0 | −9.7 ± 3.0 | −16.0–−4.0 |
| A3 (°) | 7.9 ± 1.9 | 5.0–12.0 | 7.3 ± 2.7 | 3.0–13.0 |
| A4 (°) | 2.4 ± 1.8 | 0–5.6 | 3.1 ± 1.7 | 0–6.0 |
| A5 (°) | 26.8 ± 5.2 | 20.0–38.0 | 30.0 ± 5.0 | 18.0–40.0 |
| A6 (°) | 22.8 ± 3.9 | 15.0–28.0 | 25.0 ± 4.9 | 12.0–32.0 |
The data are specified as mean value ± SD; a P value of < 0.05 (*) was considered to be significant, and a P value < 0.01 (**) was highly significant