Patient Sample # n Mean Concentration (µg/L) Concentration Range (µg/L) Standard Deviation (µg/L) CV (%)
1 6 1.53 1.46-1.60 0.07 4.5
2 6 2.24 2.12-2.36 0.12 5.4
3 6 2.40 2.29-2.51 0.11 4.6
4 6 3.08 2.93-3.23 0.15 4.9
5 6 4.67 4.48-4.87 0.20 4.3
6 6 5.95 5.62-6.28 0.33 5.5
Table 2: Method precision performed by three different analysts over a period of two weeks.