TABLE 5.

Bias, precision and correlation to observed data for the individual predictions of the final model

Plasma concentrations (n = 20)AC concentrations (n = 20)ELF concentrations (n = 20)All concentrations (n = 60)
Measures of bias
    ME (mg/L)−0.316−0.732+0.153−0.298
    MWE (mg/L)−0.641−0.024+4.605+1.313
Measures of precision
    MSE (mg2/L2)0.61412.9820.1394.579
    MWSE (mg2/L2)2.6471.87377.97527.498
Regression equationy = 1.08x + 0.063y = 1.08x−0.136y = 1.04x−0.178y = 1.09x-0.102
R20.790.960.870.96
  • Abbreviations: ME = mean error, MWE = mean weighted error, MSE = Mean squared error, MWSE = mean weighted squared error.