Preoperative (n = 74) | Postoperative (n = 74) | P | |
---|---|---|---|
NRS score for leg pain | 5.0 (3.0–7.0) | 1.0 (0.0–4.0) | < 0.001 |
NRS score for back pain | 5.0 (3.0–7.0) | 1.0 (0.0–3.0) | < 0.001 |
JOA score | 16.0 (12.0–18.0) | 22.0 (17.0–26.0) | < 0.001 |
Walking speed (m/sec) | 1.01 (0.78–1.17) | 1.23 (1.02–1.36) | < 0.001 |