a decreasing trendp < 0.1
an increasing trendp < 0.1
In addition, plasma ET-1 (1–21) , IL-1β, CRP and saliva ET-3 levels exhibited an increasing trend ( p < 0.1), while plasma A2M and PF-4 showed a decreasing trend ( p < 0.1) with exposures at the Bayview site (ambient) compared to the College site.