Diagnosis

Charnley

Exeter

Primary Osteoarthritis

326 (93.6%)

211 (90.9%)

Rheumatoid Arthritis

7 (2%)

3 (1.2%)

Post traumatic arthritis

5 (1.4%)

3 (1.2%)

Developmental dysplasia of the hip

4 (1.1%)

6 (2.5%)

Avascular necrosis

4 (1.1%)

5 (2.1%)

Childhood SUFE (slipped upper femoral epiphysis)

1 (0.2%)

2 (0.86%)

Perthes disease

1 (0.2%)

1 (0.43%

Failed hemiarthroplasty

0 (0%)

1 (0.43%)