Series | Average score preoperative | Average score at the latest decline |
Nich et al. [25] | 11.7 | 16.2 |
Delaunay et al. [12] | 11.1 | 17.4 |
Series P32 [24] | 9.65 | 13.9 |
Courpied et al. [51] | 10.1 | 17.1 |
Vidalain et al. [52] | 10.9 | 17.4 |
Our series | 9.1 | 16.1 |