a decreasing trendp < 0.01
We observed a decreasing trend in urinary concentrations of CPPDQ ( r s = 0.69, p < 0.01) and 6PPDQ ( r s = 0.74, p < 0.01) with increasing age.
We observed a decreasing trend in urinary concentrations of CPPDQ ( r s = 0.69, p < 0.01) and 6PPDQ ( r s = 0.74, p < 0.01) with increasing age.