Clinical outcome at two years in RCT group and non-RCT group (± SD). Percentage indicates the responding patients that have passed two years
| TDR/RCT n = 80 100% answer | TDR/non-RCT n = 91 64% answer | FUSION/RCT n = 72 100% answer | FUSION/non-RCT, n = 136 62% answer | |
|---|---|---|---|---|
| Global assessment of back pain | Totally pain-free 30% | Totally pain-free 32% | Totally pain-free 15% | Totally pain-free 14% |
| Unchanged o worse 13% | Unchanged o worse 15% | Unchanged o worse 14% | Unchanged o worse 21% | |
| Totally pain-free or better | 88% | 85% | 86% | 76% |
| Satisfied with result | 71% | 79% | 67% | 58% |
| Reop | 5% | 0% | 12% | 10% |
| EQVAS | 67 (26) | 74 (21) | 69 (22) | 62 (27) |
| EQVAS improvement | 22 (27) | 20 (24) | 22 (28) | 14 (29) |