a positive trendp = 0.052
During the sill phase, IFN- γ was also significantly decreased at 48 and 72 hours ( p < 0.05); however, it showed a positive trend across the sill phase ( R = 0.77), with IFN- γ being elevated an average of 3.08-folds over the control at 25 days postinjection ( p = 0.052, Figure 5(b) ).