Table 3.
Patient Related Outcome Measures of the entire patient population preoperatively and 12 months postoperatively, mean (SD). Furthermore, the difference between 12 months follow-up and preoperatively and the number of patients reached MCID is seen. Abbreviations: MCID: Minimal Clinical Important Difference, ODI: Oswestry Disability Index, VAS: Visual analog Scale, EQ-5D: European Quality of Life – 5 Dimensions Questionnaire.
| Preoperatively | 12 months | Difference (12 months) | MCID (12 months) | |
|---|---|---|---|---|
| ODI | 46.3 (15.3) | 30.1 (20.2) | −15.3 (20.0) | 68 (54.0 %) |
| VAS-back | 69.9 (20.3) | 39.8 (30.1) | −30.5 (32.5) | 75 (59.5 %) |
| VAS-legs | 60.5 (26.7) | 31.4 (32.7) | −28.0 (38.2) | 65 (51.6 %) |
| EQ-5D | 0.46 (0.23) | 0.65 (0.26) | 0.19 (0.27) | 57 (38.0 %) |