Table 5.

Implant survival rate for total hip arthroplasty (THA) group and 95% confidence interval at 5, 10 and 15 years (N = 19)

Variable	5-Year survival, % (95% CI)	10-Year survival, % (95% CI)	15-Year survival, % (95% CI)
Overall survival	100 (82, 100)	90 (59, 100)	–
Gender
Male	100 (81, 100)	100 (70, 100)	–
Female	0 (0, 97)	–
Bearing surface
Metal on metal	100 (30, 100)	100(16, 100)	–
Ceramic on ceramic	100 (75, 100)	100 (59, 100)	–
Ceramic on poly	50 (9.4, 99)	–	–
Diagnosis
Ankylosing spondylitis	100 (63, 100)	–	–
Juvenile chronic arthritis	100 (3, 100)	–	–
Idiopathic osteonecrosis	100 (48, 100)	–	–
Secondary postperthes	100 (3, 100)	100 (3, 98)	–
Post-traumatic	100 (16, 100)	100 (16, 100)	–
Dysplastic secondary arthritis	100 (16, 100)	–	–
Post-septic secondary arthritis	100 (3, 100)	0 (0, 97)	–

– Insufficient data