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Table 4 Pooled event rate and clinical performance stratified by indications

From: Risk factors and modes of failure in the modern dual mobility implant. A systematic review and meta-analysis

 

Rate or Mean Value

95% CI

Aseptic loosening

 Primary THA

0.009

0.007-0.012

 Revision THA

0.022

0.016-0.030

 Recurrent dislocation

0.024

0.013-0.045

 Overall

0.016

0.008-0.032

Septic loosening

 Primary THA

0.008

0.006-0.011

 Revision THA

0.023

0.017-0.032

 Recurrent dislocation

0.025

0.013-0.049

 Overall

0.016

0.007-0.037

Extra-articular dislocation

 Primary THA

0.006

0.005-0.008

 Revision THA

0.013

0.009-0.017

 Recurrent dislocation

0.025

0.014-0.043

 Overall

0.012

0.006-0.025

Intra-prosthetic dislocation

 Primary THA

0.008

0.006-0.010

 Revision THA

0.010

0.007-0.015

 Recurrent dislocation

0.016

0.008-0.031

 Overall

0.010

0.007-0.015

Periprosthetic fracture

 Primary THA

0.009

0.007-0.011

 Revision THA

0.009

0.006-0.012

 Recurrent dislocation

0.013

0.006-0.025

 Overall

0.009

0.008-0.011

Implant failure

 Primary THA

0.023

0.018-0.030

 Revision THA

0.055

0.042-0.073

 Recurrent dislocation

0.060

0.034-0.103

 Overall

0.042

0.021-0.081

Harris Hip score

 Primary THA

89.47

87.62-91.33

 Revision THA

81.89

78.96-84.83

 Recurrent dislocation

82.65

77.41-87.89

 Overall

84.87

78.99-90.76

Merle d’Aubigné score

 Primary THA

17.08

16.85-17.30

 Revision THA

15.45

15.07-15.83

 Recurrent dislocation

16.57

15.85-17.28

 Overall

16.36

15.20-17.53

  1. THA: total hip arthroplasty.