Table 2.
Thresholds identified in the optimal strategy for net monetary benefit using one-way sensitivity analysis
| Factor | Readmission > infection | Loosening > infection | Readmission > loosening |
|---|---|---|---|
| Age (years) | > 88 | Robust* | > 79 |
| Utility of revision THA | No effect | < 0.69 | Robust |
| Utility after successful two-stage revision | Robust | Robust | No effect |
| Disutility of readmission | > 0.42 | No effect | > 0.18 |
| Cost of two-stage revision | Robust | Robust | No effect |
| Cost of readmission | > USD 28,900 | No effect | > USD 17,000 |
| Cost of revision for aseptic loosening | Robust | Robust | Robust |
| Annual rate of aseptic loosening | Robust | > 61% relative risk | < 35% relative risk |
| Probability of 90-day readmission | > 21.6% | No effect | > 13.5% |
* Robust defined as no identifiable threshold in plausible range of values.