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Region of PI development and final stage
| Region | Stage of PI | ||||||
|---|---|---|---|---|---|---|---|
| Stage 1 n (%) | Stage 2 n (%) | Stage 3 n (%) | Stage 4 n (%) | Unstageable n (%) | Deep Tissue n (%) | Total n (%) | |
| Sacral | 18 (41.8) | 19 (44.2) | 2 (4.6) | 0 | 4 (9.3) | 0 | 43 (81.1) |
| Occipital | 2 (40.0) | 1 (20.0) | 0 | 1 (20.0) | 1 (20.0) | 0 | 5 (9.4) |
| Trocanter | 0 | 1 (50.0) | 0 | 0 | 0 | 1 (50.0) | 2 (3.8) |
| Calcaneus | 0 | 2 (100.0) | 0 | 0 | 0 | 0 | 2 (3.8) |
| Ear | 1 (100.0) | 0 | 0 | 0 | 0 | 0 | 1 (1.9) |
