Adverse event profile
| Adverse event | All Dysport patients | 1500 Units | 1000 Units | 500 Units | Placebo |
| Patients (n) | 58 | 17 | 20 | 21 | 16 |
| Total Adverse Events (n) | 92 | 46 | 23 | 23 | 35 |
| Hypertonia | 22 | 35 | 20 | 14 | 25 |
| Muscle weakness | 14 | 35 | 0 | 10 | 6 |
| Fatigue | 7 | 18 | 5 | 0 | 13 |
| Urinary tract infection | 5 | 18 | 0 | 0 | 19 |
| Headache | 5 | 12 | 5 | 0 | 13 |
| Micturition frequency | 5 | 6 | 0 | 10 | 13 |
| Back pain | 5 | 6 | 0 | 10 | 0 |
| Diarrhoea | 5 | 0 | 0 | 14 | 0 |
| Arthralgia | 3 | 0 | 5 | 5 | 6 |
| Gait abnormal | 3 | 6 | 5 | 0 | 6 |
| Abscess | 3 | 6 | 5 | 0 | 0 |
| Constipation | 3 | 12 | 0 | 0 | 0 |
| Infection | 3 | 6 | 5 | 0 | 0 |
| Influenza-like symptoms | 3 | 6 | 0 | 5 | 0 |
| Nausea | 3 | 12 | 0 | 0 | 0 |
| Skin disorder | 3 | 0 | 5 | 5 | 0 |
| Abdominal pain | 2 | 6 | 0 | 0 | 6 |
| Fever | 2 | 6 | 0 | 0 | 6 |
| URTI | 2 | 6 | 0 | 0 | 6 |
Data presented as the proportion of patients reporting each adverse event. Adverse events occurring once in only one group have not been included in this table.