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Table 4 Comparison of clinical studies on the “cup-in-cup” technique with DMCs

From: Cementation of a dual mobility cup in a well-fixed acetabular component- a reliable option in revision total hip arthroplasty?

study

n

Age

()

FU (y)

comorbidities

function

dislocation

(%)

dissociation

(%)

time

(min)

other

Chalmers [5]

18

64

3.0

/

HHS 82

3/18 (17%)

0%

/

2 PPF

Moreta [6]

10

79

3.5

CCI 4.3

HHS 71

10%

0%

/

/

Wegrzyn [7]

28

82

3.5

56/44%

ASA 3/2

HHS 88

0

0

107’

/

Bellova

33

79

2.5

ASA 2.72

CCI 5.1

HHS 59

WOMAC 60

2/26 (7.7%)

1/24 (4.2%)

124′

1 infection

1 PPF

  1. ASA American Society of Anesthesiologists (score); CCI Charlson Comorbidity Index; FU follow-up; HHS Harris Hip Score, min minutes; n number; PPF periprosthetic fracture; WOMAC Western Ontario and McMasters University Osteoarthritis Index; y years; average