Skip to main content
. 2017 Nov 21;89(2):163–169. doi: 10.1080/17453674.2017.1405669

Table 4.

Multivariable survival analysis of patients with different femoral head components

Femoral head Articulation n (revisions) Crude hazard ratio for revision (CI) Adjusted hazard ratioa (CI)
22–28 mm (n = 73,114)
 MoPE 27,423 (843) 1.0 1.0
 MoHXLPE 7,236 (256) 1.3 (1.2–1.5)c 1.1 (1.0–1.3)
 CoPE 22,165 (660) 1.0 (0.9–1.1) 0.9 (0.8–1.0)b
 CoHXLPE 14,188 (367) 1.1 (1.0–1.2) 0.9 (0.7–1.0)b
 CoC 1,406 (42) 1.0 (0.7–1.4) 0.8 (0.6–1.1)
 Ox(HXL)PE 696 (17) 0.8 (0.5–1.4) 0.7 (0.5–1.2)
32 mm (n = 96,330)
 MoPE 9,908 (179) 1.0 1.0
 MoHXLPE 17,248 (377) 1.4 (1.1–1.6)b 1.1 (0.9–1.3)
 CoPE 17,888 (525) 1.5 (1.3–1.8) c 1.3 (1.1–1.6)b
 CoHXLPE 40,496 (877) 1.3 (1.1–1.6)b 1.0 (0.9–1.2)
 CoC 3,279 (99) 1.5 (1.2–1.9)b
 Ox(HXL)PE 7,511 (158) 1.1 (0.9–1.4) 0.9 (0.8–1.2)
36 mm (n = 39,017)
 MoPE 13 (0) n.a.d n.a.d
 MoHXLPE 8,124 (253) 1.0 1.0
 CoPE 56 (1) n.a.d n.a.d
 CoHXLPE 15,490 (405) 1.0 (0.8–1.1) 0. 9 (0.8–1.1)
 CoC 11,756 (280) 0.8 (0.6–0.9)b 0.7 (0.6–0.9)b
 Ox(HXL)PE 3,578 (87) 0.9 (0.7–1.2) 0.9 (0.7–1.1)
a

Adjusted for sex, ASA score, diagnosis, previous operation, fixation, surgical approach, and period.

b

p < 0.05.

c

p < 0.001.

d

n.a. = not applicable; hazard ratios and confidence intervals for the MoPE and CoPE articulation were not applicable due to small number of revisions.