STUDY |
Hips |
Mean Follow Up (years) |
Pain Relief (%) |
ROM |
HO(%)/ SHO(%)/ Reankylosis |
Survivorship |
Revisions (n) |
Brinker [30] |
20 |
6 |
90 |
187 |
35/0/None |
- |
None |
Tang and Chiu [10] |
49 |
6.3 |
96 |
NS |
74/18/None |
95.5% at 10y; 66% at 11 years |
2 |
Bhan# [17] |
92 |
8.5 |
62 |
156 |
13/1/None |
99% at 5y; 86% at 8.5y |
13 |
Li [31] |
41 |
NS |
SI |
162 |
15/0/None |
- |
None |
Baba [32] |
31 |
12 |
SI |
NS |
31/6/None |
100% at 10y; 63.5% at 15y |
4 |
Bangjian# [18] |
24 |
4.2 |
100 |
84FL |
12/0/None |
- |
None |
# Authors reported on ankylosed hips in AS
Range of movement expressed either as 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
SI significant improvement using pain scores |