Table 2: Detailed list of preoperative diagnoses.

DiagnosisNumber of patients

Osteoarthritis671
Avascular necrosis28
Posttraumatic arthritis21
Childhood hip problem15
Dysplasia12
Rheumatoid arthritis9
Osteonecrosis6
Hip fracture5
Multiple epiphyseal dysplasia2
Septic arthritis1
Paget’s disease1