Table 2.
Dimensions of linear parameters categorized by race.
Race | C3 | C4 | C5 | C6 | C7 | |
---|---|---|---|---|---|---|
EPWu (mm) | Chinese | 14.6 ± 1.8 | 15.8 ± 1.7 | 16 ± 2.1 | 17.2 ± 2.3 | 19.1 ± 2.5 |
White | 16.6 ± 2.4 | 17.3 ± 2.4 | 17.6 ± 2.8 | 18.7 ± 2.5 | 19.5 ± 2.2 | |
P value | 0.03 | 0.02 | 0.02 | 0.03 | 0.36 | |
| ||||||
EPDu (mm) | Chinese | 13.6 ± 1.8 | 14.2 ± 2.1 | 14.4 ± 2.2 | 15 ± 2 | 16.2 ± 2 |
White | 14.5 ± 1.8 | 14.9 ± 1.8 | 15.2 ± 1.8 | 16.5 ± 2 | 17.7 ± 2.2 | |
P value | 0.38 | 0.65 | 0.04 | 0.03 | 0.03 | |
| ||||||
EPWl (mm) | Chinese | 16 ± 2 | 16 ± 2.1 | 17.4 ± 2.2 | 19.3 ± 2.8 | 21.4 ± 3.3 |
White | 17.5 ± 2.7 | 17.9 ± 2.7 | 19.4 ± 1.9 | 20.6 ± 2.4 | 22.9 ± 2.8 | |
P value | 0.01 | 0.03 | 0.04 | 0.39 | 0.16 | |
| ||||||
EPDl (mm) | Chinese | 15.3 ± 0.18 | 15.9 ± 2 | 16.4 ± 2.3 | 16.5 ± 2 | 16.3 ± 2.3 |
White | 16.1 ± 2.1 | 16.2 ± 2.2 | 16.9 ± 2 | 18.4 ± 1.7 | 18 ± 1.9 | |
P value | 0.56 | 0.43 | 0.03 | 0.01 | 0.04 | |
| ||||||
EPWu/EPDu | Chinese | 1.09 ± 0.14 | 1.12 ± 0.12 | 1.12 ± 0.11 | 1.16 ± 0.15 | 1.19 ± 0.14 |
White | 1.16 ± 0.12 | 1.18 ± 0.19 | 1.19 ± 0.26 | 1.16 ± 0.24 | 1.18 ± 0.17 | |
P value | 0.66 | 0.33 | 0.79 | 0.93 | 0.82 | |
| ||||||
EPWl/EPDl | Chinese | 1.01 ± 0.13 | 1.02 ± 0.13 | 1.06 ± 0.11 | 1.19 ± 0.14 | 1.31 ± 0.22 |
White | 1.09 ± 0.17 | 1.1 ± 0.12 | 1.13 ± 0.14 | 1.12 ± 0.11 | 1.28 ± 0.24 | |
P value | 0.24 | 0.03 | 0.43 | 0.26 | 0.78 |