Table 2.
Descriptive statistics summary of the 13 radiographic measurements (mm) shown in Fig. 1
| pubis to ischium (f) | left ischial length (b') | right ischial length (b) | span of cranial ilium (g) | width of sacrum (d) | left ilial length (a') | right ilial length (a) | |
| Min | 23.1 | 27.5 | 28.7 | 59.0 | 24.0 | 50.4 | 51.9 |
| Max | 67.4 | 106.9 | 105.8 | 152.9 | 65.0 | 152.0 | 152.0 |
| Mean | 46.1 | 57.1 | 57.7 | 110.1 | 45.6 | 101.8 | 101.0 |
| Median | 46.0 | 56.1 | 56.3 | 109.6 | 45.0 | 101.0 | 100.6 |
| Std dev | 7.1 | 8.7 | 8.9 | 14.8 | 6.4 | 12.3 | 12.4 |
| left ischial tuberosity length (c') | right ischial tuberosity length (c) | left os coxa length (h) | right os coxa length (h') | pelvic inlet diameter (e) | internal pelvic angle (i) | ||
| Min | 22.1 | 24.2 | 84.8 | 61.0 | 30.7 | 29.0 | |
| Max | 66.9 | 74.4 | 232.7 | 226.7 | 85.7 | 43.0 | |
| Mean | 47.1 | 46.8 | 155.1 | 154.5 | 60.4 | 36.2 | |
| Median | 46.4 | 45.4 | 152.8 | 152.1 | 59.2 | 36.0 | |
| Std dev | 5.7 | 5.7 | 19.9 | 20.3 | 8.0 | 2.4 |