Table 1 Distribution of age, gender, facial muscles affected, side, and previous treatments
| Â | Group A | Group B | Group C |
|---|---|---|---|
  No. of patients | 11 | 12 | 7 |
  Age range | 45–61 | 40–65 | 40–55 |
  Gender |  |  |  |
   Male | 4 | 3 | 1 |
   Female | 7 | 9 | 6 |
  Facial muscles affected |  |  |  |
   Upper facial muscles | 3 | 2 | 0 |
   Upper and lower facial muscles | 6 | 7 | 7 |
   Upper, lower and platysma | 2 | 3 | 0 |
  Side |  |  |  |
   Right | 3 | 4 | 2 |
   Left | 8 | 8 | 5 |
  Previous treatment |  |  |  |
   Drugs | 9 | 10 | 7 |
   Botox | 3 | 2 | 0 |