Table 1.

Diagnoses leading to THA of study population

Diagnosis	Number of patients (%)
Hip Dysplasia	25 (32 %)
Epiphyseal Varus Deformity	14 (18 %)
Idiopathic Avascular Necrosis	12 (15 %)
Posttraumatic Avascular Necrosis	10 (13 %)
Rheumatoid Arthritis	3 (4 %)
Cortisone Induced Avascular Necrosis	3 (4 %)
Perthes Disease	3 (4 %)
Alcohol Induced Avascular Necrosis	2 (3 %)
Primary Osteoarthrosis	7 (9 %)