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Regression analysis for component exchange per time period.
| Component exchange | Hip success* | Knee success* |
|---|---|---|
| Coefficient, % (SE; 95% CI) | Coefficient, % (SE; 95% CI) | |
| Pre-2004 | 3.5 (1.1; 1.4 to 5.5) | 3.1 (1.6; 0.0 to 6.2) |
| Post-2004 | -0.0 (1.1; -2.6 to 1.7) | 0.0 (1.4; -2.7 to 2.9) |
For each 10% increase in component exchange.
CI, confidence interval; SE, standard error.
