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Table 5 Summary of highly cross-linked polyethylene wear against yttria stabilized zirconia heads

From: In vivo wear performance of highly cross-linked polyethylene vs. yttria stabilized zirconia and alumina stabilized zirconia at a mean seven-year follow-up

 

  Polyethylene

Zirconia

N

Mean followup

Steady-state wear rate

P value

    

(years)

Yttria stabilized zirconia

Cobalt chromium

 
     

(mm/year)

 

Nakahara et al. [13]

Longevity (Zimmer)

(NGK)

51

7

−0.01

−0.01

0.83

Kawate et al. [16]

Aeonian (JMM)

(JMM)

32

5

0.00

0.01

0.36

Fukui et al. [17]

Longevity (Zimmer)

(NGK)

45

5

0.01

  

Miyanishi et al. [15]

Aeonian (JMM)

(JMM)

95

2

0.06

  

Present study

Excellink (JMM)

(JMM)

91

7

0.02

 Â