| Bone loss | Chi-square χ2 (p-value) | ||||
| Mild N (%) | Moderate N (%) | Severe N (%) | |||
| GBI | <10% (MI) | 1 (2.4%) | 1 (1.7%) | 0 (0.0%) | 9.356 (0.053) |
| 10% - 30% (MO) | 14 (33.3%) | 8 (13.6%) | 16 (33.3%) | ||
| >30% (SE) | 27 (64.3%) | 50 (84.7%) | 32 (66.7%) | ||
| CAL | 1 - 2 mm (MI) | 3 (7.1%) | 0 (0.0%) | 0 (0.0%) | 31.290 (<0.001*) |
| 3 - 4 mm (MO) | 12 (28.6%) | 4 (6.8%) | 4 (6.8%) | ||
| >5 mm (SE) | 27 (64.3%) | 55 (93.2%) | 55 (93.2%) | ||
| >5 MTDP | N | 35 (83.3%) | 48 (81.4%) | 23 (47.9%) | 17.997 (<0.001*) |
| P | 7 (16.7%) | 11 (18.6%) | 25 (52.1%) | ||
|
TFO | N | 34 (81.0%) | 43 (72.9%) | 31 (64.6%) | 3.060 (0.217) |
| P | 8 (19.0%) | 16 (27.1%) | 17 (35.4%) | ||
| BC | N | 41 (97.6%) | 50 (84.7%) | 35 (72.9%) | 13.179 (0.01*) |
| D | 1 (2.4%) | 6 (10.2%) | 10 (20.8%) | ||
| F | 0 (0.0%) | 3 (5.1%) | 3 (6.3%) | ||
| <20 RT | N | 40 (95.2%) | 51 (86.4%) | 33 (68.8%) | 12.265 (0.002*) |
| P | 2 (4.8%) | 8 (13.6%) | 15 (31.3%) | ||
| TM | N | 29 (69.0%) | 32 (54.2%) | 9 (18.8%) | 59.112 (<0.001*) |
| MI | 10 (23.8%) | 12 (20.3%) | 3 (6.3%) | ||
| MII | 2 (4.8%) | 10 (16.9%) | 11 (22.9%) | ||
| MIII | 1 (2.4%) | 5 (8.5%) | 25 (52.1%) | ||
| FI | N | 36 (85.7%) | 30 (50.8%) | 12 (25.0%) | 48.480 (<0.001*) |
| FI | 4 (9.5%) | 16 (27.1%) | 8 (16.7%) | ||
| FII | 1 (2.4%) | 7 (11.9%) | 14 (29.2%) | ||
| FIII | 1 (2.4%) | 3 (5.1%) | 4 (8.3%) | ||
| FIV | 0 (0.0%) | 3 (5.1%) | 10 (20.8%) | ||