Table 3.
Ninety-day complications for TKA in above-knee amputees and nonamputees.
| Complications | AKA group (n = 931) | Nonamputee group (n = 2792) | P value |
|---|---|---|---|
| Periprosthetic joint infection | 133 (14.3) | 52 (1.9) | <.001 |
| Mechanical complications | 18 (1.9) | a | <.001 |
| Blood transfusion | 16 (1.7) | 17 (0.6) | .003 |
| Deep venous thrombosis | 38 (4.1) | 110 (3.9) | .924 |
| Pulmonary embolism | 14 (1.5) | 37 (1.3) | .807 |
| Pneumonia | 29 (3.1) | 48 (1.7) | .013 |
| Respiratory failure | 23 (2.5) | 24 (0.9) | <.001 |
| Surgical site infection | 12 (1.3) | 13 (0.5) | .015 |
| Revision | 32 (3.4) | 27 (1.0) | <.001 |
AKA, above-knee amputation; TKA, total knee arthroplasty.
a
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