| STUDY(Year) |
Hips |
Mean Follow Up (years) |
Pain Relief (%) |
ROM |
HO (%)/ SHO (%)/ Reankylosis (%) |
Survivorship |
Revisions (n) |
| Bisla [14] |
34 |
4 |
91 |
148 |
62/26/6 |
- |
2 |
| Resnick [21] |
21 |
3 |
NS |
NS |
57/43/29 |
- |
None |
| Williams [22] |
86 |
3 |
NS |
NS |
55/11/7 |
- |
10 |
| Baldurson [23] |
18 |
3.8 |
94 |
90FL |
28/0/None |
- |
None |
| Shahnahan [24] |
16 |
7.4 |
94 |
NS |
100/36/None |
- |
1 |
| Finterbrush [25] |
35 |
7.5 |
NS |
86FL |
17/NS/None |
- |
5 |
| Walker [13] |
29 |
4.8 |
97 |
168 |
77/23/15 |
- |
None |
| Gulateri [26] |
73 |
7.5 |
89 |
NS |
NS/21/None |
- |
None |
| Sochart [27] |
43 |
23 |
100 |
185 |
14/0/None |
92% at 10y; 72%at 20y; 70%at 30y |
12 |
| Tang [10] |
46 |
16.5 |
94 |
NS |
74/24/None |
100% at 5y; 98% at 10y; 66% at 15y |
17 |
| Lehtimaki [28] |
76 |
NS |
NS |
NS |
NS |
80% at 10y; 66% at 15y; 62% at 20y |
3 |
| Joshi [29] |
181 |
10 |
96 |
NS |
12/0/ None |
87% at 10y; 81% at15y; 72%at 27y |
25 |
Range of movement expressed as either an arc of flexion (FL) or a total cumulative range (ROM)
HO Heterotropic Ossification; SHO significant HO- Brooker Class 3 and 4
-Survivorship analysis not performed using the Kaplan Meier technique
NS Not specified