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Table 4 Accuracy and precision of the detection of NATOG using UPLC-Fluorescence (n = 8)

From: Evaluation of the diagnostic potential of urinary N-Acetyltyramine-O,β-glucuronide (NATOG) as diagnostic biomarker for Onchocerca volvulus infection

  QC-Low (2 μM) QC-Medium (10 μM) QC-High (50 μM)
Milli-Q Water    
 Mean 2.03 10.2 52.3
 Standard deviation 0.02 0.34 1.94
 Coefficient of variation (%) 1.0 3.3 3.7
 % Accuracy 102 102 105
Human urine    
 Mean 2.31 10.3 52.2
 Standard deviation 0.08 0.17 0.56
 Coefficient of variation (%) 3.5 1.7 1.1
 % Accuracya 115 103 104
  1. aEndogenous level of NATOG used for preparation of QC samples was 0.31 μM; results have not been corrected for the endogenous levels