Primary outcome at six weeks and six months after recruitment according to treatment group: differences in “successful outcome” and mean (SD) improvement in disability score
| Physiotherapy | Injection | Difference (95% CI*) | |
|---|---|---|---|
| *95% Confidence interval. | |||
| Number (%) achieving at least 50% drop in disability score | |||
| 6 Weeks | 30 (30) | 35 (36) | −5.4% (−18.2 to 7.6) |
| 6 Months | 59 (60) | 51 (53) | 7.0% (−6.8 to 20.4) |
| Mean (SD) improvement in disability score from baseline | |||
| 6 Weeks | 2.56 (5.4) | 3.03 (6.3) | −0.5 (−2.1 to 1.2) |
| 6 Months | 5.97 (5.4) | 4.55 (5.9) | 1.4 (−0.2 to 3.0) |