Table 3.
Cemented total hip arthroplasty with 5 different articulations: pairwise comparison of differences in 1-to-10-year mean PE wear in mm with 95% confidence interval results from the linear mixed model
| 1-to-10-year mean PE wear, mm | Difference | |||
|---|---|---|---|---|
| Reference | Comparison b | comparison–reference | ||
| Steel/CPE a | 0.34 (0.12 to 0.56) | CoCr/CPE | 1.35 (1.16 to 1.55) | 1.01 (0.71 to 1.31) |
| Steel/CPE a | 0.34 (0.12 to 0.56) | OxZr/CPE | 1.68 (1.44 to 1.92) | 1.34 (1.01 to 1.67) |
| Steel/CPE a | 0.34 (0.12 to 0.56) | CoCr/XLPE | 0.08 (–0.11 to 0.26) | –0.27 (–0.55 to 0.02) |
| Steel/CPE a | 0.34 (0.12 to 0.56) | OxZr/XLPE | 0.06 (–0.14 to 0.26) | –0.28 (–0.58 to 0.02) |
| CoCr/CPE b | 1.35 (1.16 to 1.55) | OxZr/CPE | 1.68 (1.44 to 1.92) | 0.33 (0.02 to 0.64) |
| CoCr/CPE b | 1.35 (1.16 to 1.55) | CoCr/XLPE | 0.08 (–0.11 to 0.26) | –1.28 (–1.54 to –1.01) |
| CoCr/CPE b | 1.35 (1.16 to 1.55) | OxZr/XLPE | 0.06 (–0.14 to 0.26) | –1.29 (–1.57 to –1.01) |
| OxZr/CPE b | 1.68 (1.44 to 1.92) | CoCr/XLPE | 0.08 (–0.11 to 0.26) | –1.60 (–1.90 to –1.30) |
| OxZr/CPE b | 1.68 (1.44 to 1.92) | OxZr/XLPE | 0.06 (–0.14 to 0.26) | –1.62 (–1.93 to –1.30) |
| CoCr/XLPE b | 0.08 (–0.11 to 0.26) | OxZr/XLPE | 0.06 (–0.14 to 0.26) | –0.01 (–0.29 to 0.26) |