a trend toward significancep = 0.07
In contrast, the central agonist only showed a trend toward significance for Iba-1 ( p = 0.07) (Fig. 4 A) and a lower level of significance for CD68 ( p < 0.05) (Fig. 4 C), although, looking at the single values, it was evident that some animals showed a complete reversion in glial activation, but this occurred in groups having a very large variability.