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. 2024 Sep 30;95:578–585. doi: 10.2340/17453674.2024.41945

Table 5.

Cemented total hip arthroplasty with 5 different articulations: pairwise comparison of differences in proximal migration along the Y-axis with results from the linear mixed model

Mean proximal migration from postoperative to 10 years, mm Difference
Reference Comparison b comparison–reference
Steel/CPE a 0.20 (0.02 to 0.38) CoCr/CPE 0.40 (0.2 to 0.59) 0.20 (–0.07 to 0.46)
Steel/CPE a 0.20 (0.02 to 0.38) OxZr/CPE 0.67 (0.46 to 0.88) 0.47 (0.19 to 0.74)
Steel/CPE a 0.20 (0.02 to 0.38) CoCr/XLPE 0.05 (–0.13 to 0.22) –0.15 (–0.40 to 0.09)
Steel/CPE a 0.20 (0.02 to 0.38) OxZr/XLPE –0.002 (–0.2 to 0.2) –0.20 (–0.47 to 0.07)
CoCr/CPE b 0.40 (0.20 to 0.59) OxZr/CPE 0.67 (0.46 to 0.88) 0.27 (–0.02 to 0.56)
CoCr/CPE b 0.40 (0.20 to 0.59) CoCr/XLPE 0.05 (–0.13 to 0.22) –0.35 (–0.61 to –0.09)
CoCr/CPE b 0.40 (0.20 to 0.59) OxZr/XLPE –0.002 (–0.2 to 0.2) –0.40 (–0.68 to –0.12)
OxZr/CPE b 0.67 (0.46 to 0.88) CoCr/XLPE 0.05 (–0.13 to 0.22) –0.62 (–0.96 to –0.35)
OxZr/CPE b 0.67 (0.46 to 0.88) OxZr/XLPE –0.002 (–0.2 to 0.2) –0.67 (–0.96 to –0.38)
CoCr/XLPE b 0.05 (–0.13 to 0.22) OxZr/XLPE –0.002 (–0.2 to 0.2) –0.05 (–0.31 to 0.22)

For abbreviations, see Legend to Figure 1.

a

Charnley/Ogee.

b

Spectron EF/Reflection.