Months a-lipoic acid n=35 Placebo n=35 p
1 3 5 0.45
2 4 3 0.75
3 3 1 0.29
4 1 2 0.57
5 1 1 1
6 1 0 0.3
Total 13 12 0.80
Table 2: Number of Recurrences and time post-surgery.