Table 2.

Indication for total hip arthroplasty (n = 69)

Indication	Number of hips
Juvenile rheumatoid arthritis	18
Osteonecrosis of femoral head	21
Systemic lupus erythematosus	7
Acute lymphatic leukemia	3
Crohn’s disease	3
Nepropathy, kidney transplantation	2
Hypothalamic disorder	1
Aplastic anemia	1
Wegener’s disease	1
Unknown origin	3
Developmental dysplasia of the hip	7
Multiple epiphyseal dysplasia	2
Legg-Calvé-Perthes disease	6
Ankylosing spondylitis	5
Morquio’s disease	2
Ankylosis of unknown origin	2
Polycystic disease of the femoral head of unknown origin	2
Arthritis and osteomyelitits	2
Posttraumatic osteoarthritis	1
Psoriatic arthritis	1