| SEVO group | MR group | P |
---|---|---|---|
(n = 31) | (n = 33) | ||
Incidence of injuries | Â | Â | Â |
  Haematoma, oedema | 4 (13) | 4 (12) | 1.00 |
  Granuloma | 0 | 0 | - |
Slight changes | Â | Â | Â |
  Erythema | 13 (42) | 8 (24) | 0.21 |
Side (erythema and injuries) | Â | Â | Â |
  Bilateral | 16 | 11 | 0.22 |
  Left | 0 | 1 (erythema) |  |
  Right | 1 (hematoma) | 0 |  |