Patient-reported outome measures for long-term follow-up patients.
| PROM | Baseline | 12 Months | LTFU | ||||
| Mean (SEM) | Mean (SEM) | Mean Change vs Baseline (SEM) | P Value | Mean (SEM) | Mean Change vs Baseline (SEM) | P Value | |
| ODI | 55.1 (3.4) | 18.5 (3.7) | −36.6 (19.0) | <0.0001 | 21.7 (4.5) | −33.4 (18.4) | <0.0001 |
| VAS back | 7.6 (1.4) | 2.2 (2.1) | −5.4 (2.9) | <0.0001 | 3.6 (2.6) | −4.0 (2.8) | <0.0001 |
| ANS | 1.3(0.9) | 0.5 (0.6) | −0.8 (1.1) | 0.002 | 0.8 (1.2) | −0.5 (1.4) | 0.07 |
ANS, analgesic score; LTFU, long-term follow-up; ODI, Oswestry Disability Index; PROM, patient-reported outcome measure; VAS, visual analog scale.