Failure Mechanism

n count

mean (yrs)

min.

Q1 (25%)

median (50%)

Q3 (75%)

max. (100%)

Percent

Revision Cup & Stem

145

11.9

0.0

7.7

11.1

15.3

27.7

1.7%

Dislocation (revised or not)

270

1.9

3.2%

Infection

30

2.8

0.0

0.2

1.1

3.3

18.4

0.4%

Revision Cup

412

9.4

0.0

5.1

9.2

13.2

27.9

4.9%

Revision Stem

29

5.3

0.0

2.6

4.9

6.8

11.0

0.3%

Revision Poly Wear

4

11.7

10.8

10.9

11.4

12.4

13.0

0.0%

Fracture

6

7.6

14.4

0.1%

Death

2786

10.0

0.0

5.1

9.0

13.8

37.3

33.4%

Any revision

694

9.2

6.1

4.7

8.8

13.0

27.9

8.3%

Non-fail

7637

7.0

0.0

2.1

5.5

10.2

37.3

91.7%