Periods | Group U (N = 19) | Group B (N = 57) | P value | |
---|---|---|---|---|
VAS_back | Preop | 5.4 ± 2.4 | 5.7 ± 2.7 | 0.774 |
PO 1y | 4.2 ± 3.0 | 2.3 ± 2.7 | 0.033 | |
PO 2y | 4.1 ± 2.8 | 3.2 ± 3.3 | 0.621 | |
VAS_leg | Preop | 5.8 ± 2.4 | 5.9 ± 2.8 | 0.534 |
PO 1y | 2.0 ± 2.9 | 2.4 ± 2.6 | 0.637 | |
PO 2y | 3.3 ± 3.1 | 3.2 ± 3.0 | 0.878 | |
ODI | Preop | 51.0 ± 16.1 | 53.0 ± 18.1 | 0.732 |
PO 1y | 30.6 ± 18.6 | 24.0 ± 15.3 | 0.213 | |
PO 2y | 35.0 ± 18.0 | 28.2 ± 18.9 | 0.192 | |
EQ-5D (mobility) | Preop | 3.8 ± 0.9 | 3.4 ± 0.9 | 0.154 |
PO 1y | 2.2 ± 1.0 | 2.0 ± 0.9 | 0.380 | |
PO 2y | 2.4 ± 1.0 | 1.9 ± 0.9 | 0.094 | |
EQ-5D (self-care) | Preop | 2.6 ± 0.9 | 2.6 ± 1.0 | 0.982 |
PO 1y | 2.0 ± 1.0 | 1.6 ± 0.8 | 0.135 | |
PO 2y | 2.0 ± 0.7 | 1.6 ± 0.8 | 0.083 | |
EQ-5D (usual activities) | Preop | 3.3 ± 1.1 | 3.0 ± 0.9 | 0.444 |
PO 1y | 2.5 ± 0.9 | 1.9 ± 0.9 | 0.035 | |
PO 2y | 2.3 ± 1.0 | 2.0 ± 0.8 | 0.230 | |
EQ-5D (pain/discomfort) | Preop | 3.6 ± 0.9 | 3.5 ± 1.0 | 0.748 |
PO 1y | 2.8 ± 1.0 | 2.4 ± 0.7 | 0.126 | |
PO 2y | 2.7 ± 0.7 | 2.4 ± 0.9 | 0.150 | |
EQ-5D (anxiety/depression) | Preop | 2.4 ± 1.0 | 2.4 ± 1.1 | 0.996 |
PO 1y | 1.7 ± 1.0 | 1.6 ± 0.8 | 0.823 | |
PO 2y | 1.8 ± 0.9 | 1.7 ± 0.9 | 0.663 |