Palmitoylethanolamide in the Treatment of Failed Back Surgery Syndrome

Table 2

Pain intensity by VAS measurement.

VAS (mean ± SE)

6.9 ± 0.14

5.1 ± 0.13

5.7 ± 0.12

4.3 ± 0.11

2.7 ± 0.09

1.7 ± 0.11

VAS: Visual Analogue Scale; SE: standard error.