| No. of subjects | Sagittal Ra | Coronal Ra | Total Ra |
Low group (≤27.9) | 32 (31.1%) | 52.4 ± 18.5 | 62.2 ± 18.0 | 57.3 ± 16.7 |
Borderline group (28.0 - 29.5) | 24 (23.3%) | 52.7 ± 14.0 | 66.2 ± 18.4 | 59.5 ± 14.1 |
Normal group (>29.5) | 47 (45.6%) | 52.5 ± 17.2 | 59.3 ± 18.2 | 55.9 ± 16.6 |