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Table 3 Whole blood Cobalt and Chromium levels at one-year and last follow-up, values (μg/L) are mean (SD)

From: Despite higher revision rate, MoM large-head THA offers better clinical scores than HR: 14-year results from a randomized controlled trial involving 48 patients

 

One-year follow-up

Last follow-up

HR

n = 16

LDH THA

n = 15

p

HR

n = 14

LDH THA

n = 11

p

Cobalt

0.9 (1)

1.9 (1.3)

0.01

1.7 (2)

3.8 (3.2)

0.04

Chromium

1.2 (0.9)

1.5 (0.8)

0.2

1.4 (1.1)

1.9 (1)

0.1

  1. HR Hip resurfacing, LDH THA Large diameter head total hip arthroplasty, Cobalt (HR, p = 0.06; and LDH THA p = 0.08) and Chromium (HR p = 0.4; and LDH THA p = 0.2) ion level differences were not significant between the one-year and last follow-up. (Related-Sample Wilcoxon Signed Rank Test)
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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