| Stages Locations | First stage | Second stage | Third stage | Fourth stage | Indivisible | Deep tissue | Total |
| Sacrococcygeal | 11 (27.5%) | 9 (22.5%) | 2 (5%) | 0 | 0 | 2 (5%) | 24 (60%) |
| Ischium (left/right) | 1 (2.5%) | 4 (10%) | 1 (2.5%) | 0 | 0 | 0 | 6 (15%) |
| Heel | 1 (2.5%) | 0 | 1 (2.5%) | 0 | 0 | 2 (5%) | 4 (10%) |
| Occipital bone | 1 (2.5%) | 0 | 0 | 0 | 0 | 1 (2.5%) | 2 (5%) |
| Intertrochanteric femoral | 1 (2.5%) | 1 (2.5%) | 0 | 0 | 0 | 0 | 2 (5%) |
| Ankle | 2 (5%) | 0 | 0 | 0 | 0 | 0 | 2 (5%) |
| Total | 17 (42.5%) | 14 (35%) | 4 (10%) | 0 | 0 | 5 (12.5%) | 40 (100%) |