Table II.

Stem outcomes.

Outcome	n (%)	Mean yrs (range)	95% CI
In situ beyond 10 yrs	648 (78.1)	12.3 (10.0 to 15.1)	12.2 to 12.4
In situ at death before 10 yrs	165 (19.9)	4.9 (0.4 to 9.8)	4.8 to 5.1
Stem revised	16 (1.9)	4.8 (0.1 to 12.0)	2.7 to 7.0
During acetabular revision	2 (0.2)	11.7 (11.3 to 12.0)	10.9 to 12.4
Pain	2 (0.2)	1.2 (0.1 to 2.3)	0.0 to 3.3
Infection	6 (0.7)	2.5 (0.6 to 5.8)	0.7 to 4.3
Recurrent dislocation	1 (0.1)	1.3 (N/A)	N/A
Squeak	1 (0.1)	11.6 (N/A)	N/A
Aseptic loosening	1 (0.1)	2.5 (N/A)	N/A
Periprosthetic fracture	3 (0.4)	6.9 (4.5 to 11.5)	4.6 to 9.2
Revised acetabular component only	5 (0.6)	4.6 (1.3 to 7.0)	2.6 to 6.5
Aseptic loosening	2 (0.2)	11.7 (11.3 to 12.0)	10.9 to 12.4
Pain	3 (0.4)	5.9 (4.7 to 7.0)	4.6 to 7.3
Recurrent dislocation	1 (0.1)	1.3 (N/A)	N/A

CI, confidence interval; N/A, not applicable