showed a trendp = 0.0817
Figure 4C shows the semi-quantitative analysis of proMMP-9 (pMMP-9) levels, which showed a trend towards significant differences between groups (p = 0.0817), with pMMP-9 levels being lower for pH 5.6, 7, and 9 treatments relative to positive controls and pH 4 treatments (see Table 2 for statistical analysis).