Related adverse events
| HA (n=153) | Placebo (n=153) | |||
|---|---|---|---|---|
| Related adverse events (n (%)) | 15 (9.8) | 14 (9.1) | ||
| Mild | 7 (4.6) | 12 (7.8) | ||
| Moderate | 8 (5.2) | 2 (1.3) | ||
| HA (n=153) | Placebo (n=153) | |||
| Mild | Moderate | Mild | Moderate | |
| Allergic reaction | 2 (1.3) (1 rash, 1 swelling) | 1 (0.7) (1 rash) | 3 (1.9) (3 rash) | 0 |
| Pain at injection site | 2 (1.3) | 4 (2.6) | 2 (1.3) | 0 |
| Bleeding at injection site | 2 (1.3) | 0 | 6 (3.9) | 0 |
| Arthralgia | 0 | 2 (1.3) | 1 (0.7) | 1 (0.7) |
| Others | 1 (0.7) | 1 (0.7) | 0 | 1 (0.7) |
HA, hyaluronic acid.