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Table 3 Results of the numerical grading system for gross evaluation for each group according to the Peterson classification [15]

From: Effect of herbal extracts on peripheral nerve regeneration after microsurgery of the sciatic nerve in rats

  Skin and muscle fascia Nerve adherence
Grade 1 Grade 2 Grade 3 Grade 1 Grade 2 Grade 3
Group 1 (11) 11 0 0 2 6 3
Group 2 (9) 9 0 0 0 6 3
Group 3 (10) 10 0 0 0 10 0
Group 4 (8) 8 0 0 0 6 2
Group 5 (10) 10 0 0 1 6 3
Total (48) 48 (100%) 0 0 3 (6.3%) 34 (70.8%) 11 (22.9%)
  1. Group 1: Control, Group 2: Astragalus mongholicus Bunge, Group 3: Coptis japonica (Thunb.) Makino, Group 4: Aconitum carmichaelii Debeaux, Group 5: Paeonia lactiflora Pall