TABLE III.
Estimated Total Elbow Arthroplasty Survivorship for Different Revision End Points Based on BMI
| Revision End Points | Non-Obese Group* (BMI of <30 kg/m2) | Obese Group* (BMI of ≥30 kg/m2) |
| For any reason† | ||
| Survivorship at five years | 93% (91% to 95%) | 90% (83% to 94%) |
| Survivorship at ten years | 86% (82% to 89%) | 70% (60% to 79%) |
| Survivorship at fifteen years | 75% (69% to 81%) | 63% (51% to 74%) |
| For mechanical failure† | ||
| Survivorship at five years | 95% (93% to 97%) | 93% (87% to 96%) |
| Survivorship at ten years | 88% (84% to 91%) | 72% (61% to 81%) |
| Survivorship at fifteen years | 77% (71% to 83%) | 65% (53% to 76%) |
| For component aseptic loosening† | ||
| Survivorship at five years | 96% (94% to 98%) | 93% (87% to 97%) |
| Survivorship at ten years | 92% (89% to 95%) | 81% (70% to 88%) |
| Survivorship at fifteen years | 85% (80% to 90%) | 76% (64% to 85%) |
| For deep infection‡ | ||
| Survivorship at five years | 98% (96% to 99%) | 97% (92% to 99%) |
| Survivorship at ten years | 97% (95% to 98%) | 97% (92% to 99%) |
| Survivorship at fifteen years | 97% (95% to 98%) | 97% (92% to 99%) |
*
The values are given as the Kaplan-Meier survival estimate, with the 95% CI in parentheses.
†
These values were significant at p < 0.05.
‡
These values were not significant at p > 0.05.