Table 4 Summary of rescue medication use-total grams used by visit (per-protocol set)
Time interval | Statistic | Artz | Durolane |
|---|---|---|---|
(5 × 2.5 ml) | (1 × 3 ml, 4 × sham) | ||
( n  = 158) | ( n  = 161) | ||
Pre treatment | n (%) | 2 (1.3%) | 4 (2.5%) |
| Â | Mean (SD) | 1.25 (0.35) | 1.25 (0.87) |
| Â | Median | 1.25 | 1.00 |
Week 4 to week 6 | n (%) | 20 (12.7%) | 26 (16.1%) |
| Â | Mean (SD) | 4.48 (5.81) | 4.75 (5.41) |
| Â | Median | 2.00 | 2.75 |
Week 6 to week 10 | n (%) | 13 (8.2%) | 14 (8.7%) |
| Â | Mean (SD) | 3.12 (3.90) | 4.14 (6.13) |
| Â | Median | 1.50 | 1.50 |
Week 10 to week 14 | n (%) | 10 (6.3%) | 6 (3.7%) |
| Â | Mean (SD) | 2.75 (3.83) | 3.58 (3.76) |
| Â | Median | 1.00 | 2.25 |
Week 14 to week 18 | n (%) | 9 (5.7%) | 5 (3.1%) |
| Â | Mean (SD) | 4.56 (6.05) | 2.60 (2.30) |
| Â | Median | 1.50 | 2.50 |
Week 18 to week 26 | n (%) | 21 (13.3%) | 17 (10.6%) |
| Â | Mean (SD) | 6.10 (6.28) | 6.26 (6.94) |
| Â | Median | 3.50 | 3.50 |