Table 3.
Covariate | Group | Revision THA | Revision TKA | ||||
---|---|---|---|---|---|---|---|
p value for effect | Adjusted hazards ratio (95% confidence interval) | p value | p value for effect | Adjusted hazards ratio (95% confidence interval) | p value | ||
Age (years) (65–69 reference group) | 70–74 | 0.818 | 1.25 (0.82–1.90) | 0.306 | 0.197 | 0.79 (0.54–1.17) | 0.246 |
75–79 | 1.11 (0.71–1.76) | 0.639 | 0.58 (0.36–0.94) | 0.026 | |||
80–84 | 1.02 (0.58–1.79) | 0.935 | 1.03 (0.59–1.80) | 0.926 | |||
≥ 85 | 1.35 (0.67–2.74) | 0.405 | 1.17 (0.37–3.77) | 0.788 | |||
Gender (female reference group) | Male | 0.701 | 0.94 (0.67–1.31) | 0.701 | 0.023 | 1.49 (1.06–2.09) | 0.023 |
Race (black reference group) | White | 0.413 | 2.17 (0.69–6.84) | 0.186 | 0.076 | 0.53 (0.31–0.92) | 0.025 |
Others | 2.31 (0.46–11.6) | 0.308 | 0.67 (0.22–2.05) | 0.483 | |||
Charlson index score (0 reference group) | 1–2 | 0.093 | 0.97 (0.67–1.40) | 0.852 | 0.785 | 1.10 (0.77–1.59) | 0.601 |
3–4 | 1.65 (1.05–2.60) | 0.029 | 1.21 (0.73–2.03) | 0.461 | |||
≥ 5 | 1.23 (0.57–2.65) | 0.590 | 1.42 (0.63–3.20) | 0.395 |