Table 9.1.
Major amputation of the lower extremity
| Level of amputation | Below knee | Through knee | Above knee |
|---|---|---|---|
| Primary healing | 30%–92% | 60%–81% | 60%–95% |
| Perioperative mortality | 4%–10% | 1%–17% | 10%–20% |
| Revision to higher level | 12%–20% | 1.5%–20% | 8%–12% |
| Ambulation | 40%–80% | 57%–70% | 20%–40% |