Measured Concentrations of Inositol (μM)      
Expected Concentration Day: 1 2 3 4 5 6 Mean SD* CV*
700 μM   670.8 673.4 671.5 673.2 678.1 707.5 679.1 12.91 1.90
  % error: -4.17 -0.04 -0.04 -0.04 -0.03 0.01 -0.72 1.54  
300 μM   295.5 291.0 287.3 296.9 289.5 311.2 295.2 7.89 2.67
  % error: -1.5 -3.0 -4.2 -1.0 -3.5 3.7 -1.59 2.63  
100 μM   97.7 90.1 93.1 106.8 107.0 106.7 100.3 6.97 6.95
  % error: -2.3 -9.9 -6.9 6.8 7.0 6.7 0.26 6.97  
50 μM   42.6 64.3 62.6 59.5 63.3 58.2 58.4 7.39 12.65
  % error: -14.8 28.7 25.3 19.0 26.5 16.3 16.84 14.78  
* SD = standard deviation, CV = Coefficient of Variation
Table 1: Interday Precision (Coefficient of Variation (CV, standard deviation/mean x 100)) and Accuracy (Percentage Error (%error) = (measured concentration – expected concentration)/expected concentration x 100)) for Inositol Analyses in Concentrations of 50 to 700 μM, analyzed on 6 different days, in columns.