a-SMA
  Placebo n=35 a-lipoic acid n=35 p
Low 7 13 0.11
Moderate 15 17 0.63
Intense 13 5 0.02
VEFG
Low 11 15 0.32
Moderate 19 17 0.63
Intense 5 3 0.45
Table 3: Immunohistochemical analysis.