Table 1:
Diagnosis of Patients in the Different Study Groups
OA
RA
CDH
AVN
Pre-OP (Control)
83%
10%
7%
0%
≤ 6 months
71%
8%
13%
8%
1-2 years
72%
6%
11%
11%
3-4 years
85%
0%
7.5%
7.5%
> 4 years
79%
12%
6%
3%
OA: Osteoarthritis; RA: Rheumatoid arthritis; CDH: Congenital dislocation of the hip; AVN: avascular necrosis.