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Plots of mean ± 95% CIs urinary glucose concentrations determined from analysis by low field (LF) 60 MHz benchtop 1H NMR, conventional HF 400 1H MHz NMR, the GOD-PAP spectrophotometric (abbreviated Spectro) and chromophoric dipstick (abbreviated Dipstick) test systems. The wide confidence intervals are predominantly ascribable to the highly statistically significant ‘Between-Participants’ random effect component-of-variance (Pj in Equation (1)), and not analytical reproducibility.
