TABLE IV.
Estimated Total Elbow Arthroplasty Survivorship for Different Revision End Points Among Non-Obese and Obese Patients Based on Surgical Indication
| Revision End Points | Non-Obese Group* (BMI of <30 kg/m2) | Obese Group* (BMI of ≥30 kg/m2) |
| Inflammatory conditions | ||
| Revision for any reason† | ||
| Survivorship at five years | 98% (96% to 99%) | 93% (81% to 98%) |
| Survivorship at ten years | 94% (89% to 96%) | 78% (60% to 90%) |
| Survivorship at fifteen years | 82% (75% to 88%) | 78% (60% to 90%) |
| Revision for mechanical failure† | ||
| Survivorship at five years | 99% (97% to 100%) | 93% (81% to 98%) |
| Survivorship at ten years | 95% (90% to 97%) | 78% (60% to 90%) |
| Survivorship at fifteen years | 83% (75% to 89%) | 78% (60% to 90%) |
| Traumatic conditions | ||
| Revision for any reason‡ | ||
| Survivorship at five years | 85% (79% to 90%) | 87% (78% to 93%) |
| Survivorship at ten years | 72% (63% to 79%) | 65% (52% to 77%) |
| Survivorship at fifteen years | 61% (50% to 71%) | 54% (39% to 69%) |
| Revision for mechanical failure‡ | ||
| Survivorship at five years | 89% (83% to 93%) | 92% (83% to 96%) |
| Survivorship at ten years | 76% (67% to 83%) | 69% (55% to 80%) |
| Survivorship at fifteen years | 64% (52% to 74%) | 57% (41% to 72%) |
*
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.