Clinical parameters | COPSF group | PPSF group | POPSF group |
---|---|---|---|
VAS | |||
Preoperative | 6.8±1.3 | 6.7±0.9 | 7.0±1.1 |
7 days post | 3.3±1.1 | 2.2±0.8a | 2.7±0.8b,c |
Last follow-up | 1.3±0.5 | 0.7±0.5a | 0.8±0.6b |
ODI | |||
Preoperative | 90.6±3.1 | 90.3±2.5 | 90.9±2.6 |
Last follow-up | 6.2±2.2 | 3.2±2.1a | 4.1±1.9b |