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. 2010 May 25;468(11):3070–3076. doi: 10.1007/s11999-010-1399-0

Table 3.

Association between covariates and rerevision for revision THA and TKA

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