Table 2.
Functional and quality-of-life results with 1-year follow-up. Results are mean (SD) and mean difference with 95% CI
| LIA n = 27 | Placebo n = 29 | Mean difference | 95% CI | |
|---|---|---|---|---|
| 15D | ||||
| preop. | 0.88 (0.08) | 0.87 (0.07) | –0.017 | –0.056 to 0.023 |
| 3 months | 0.92 (0.05) | 0.92 (0.05) | 0.001 | –0.028 to 0.030 |
| 1 year | 0.93 (0.07) | 0.91 (0.07) | –0.018 | –0.056 to 0.020 |
| HAAS | ||||
| preop. | 8 (3.1) | 7 (2.7) | –0.45 | –2.01 to 1.12 |
| 3 months | 11 (2.4) | 11 (2.8) | –0.05 | –1.49 to 1.39 |
| 1 year | 12 (2.4) | 11 (3.5) | –1.11 | –2.74 to 0.52 |
| OKS | ||||
| preop. | 23 (7.7) | 22 (6.0) | –1.36 | –5.10 to 2.37 |
| 3 months | 37 (6.9) | 36 (5.4) | –0.65 | –4.09 to 2.79 |
| 1 year | 44 (4.4) | 41 (5.5) | –2.70 | –5.48 to 0.07 |
| Sitting for a long period of time | ||||
| preop. | 2 (0.72) | 2 (0.57) | –0.26 | –0.61 to 0.10 |
| 3 months | 2 (0.58) | 2 (0.50) | –0.08 | –0.23 to 0.38 |
| 1 year | 1 (0.49) | 1 (0.47) | –0.30 | –0.56 to –0.04 |