Hyaluronic acid (HA) v placebo for osteoarthritis of the knee
| Mean scores | |||
|---|---|---|---|
| Outcomes | HA | Placebo | Mean score difference (95% CI)‡ |
| ‡Mean score difference and CI calculated from data in article; differences favour the HA group. | |||
| Walking pain at 5 wk | 27.5 | 40.6 | 13.1 (1.4 to 24.8) |
| Walking pain at 6 mo | 39.4 | 53.7 | 14.3 (1.4 to 27.2) |
| Knee function at 5 wk | 10.0 | 12.1 | 2.1 (0.2 to 4.0) |
| Knee function at 4 mo | 10.2 | 12.4 | 2.2 (0.2 to 4.2) |