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. Author manuscript; available in PMC: 2011 Oct 15.
Published in final edited form as: Talanta. 2010 Aug 13;82(5):1892–1904. doi: 10.1016/j.talanta.2010.08.005

Table 6.

Results from the validation studies in urine.

Ket norKet DHNK HNK HK1 HK2
QC1intra Mean 23230.7 630.5 9406.2 8355.3 26.3 32.7
SD 0.028 0.15 0.084 0.063 0.0011 0.00063
RSD(%) 2.97 6.03 3.82 3.97 6.16 3.02
Accuracy(%) 100.6 94.1 90.8 76.5 103.3 121.6
QC2intra Mean 17170.9 468.6 7043.8 5898.0 18.8 23.7
SD 0.023 0.15 0.11 0.075 0.00044 0.00065
RSD(%) 3.26 4.51 2.87 6.89 4.09 4.41
Accuracy(%) 106.6 100.0 95.3 88.5 107.8 127.6
QC3intra Mean 10905.9 296.1 4394.1 3763.4 11.3 14.9
SD 0.013 0.080 0.059 0.047 0.00026 0.00034
RSD(%) 2.91 2.89 1.81 7.09 4.39 4.02
Accuracy(%) 109.7 101.2 98.8 88.2 102.6 128.4
QC1inter Mean 22162.1 531.6 10035.0 8567.2 26.3 34.6
SD 0.018 0.58 0.27 0.094 0.0032 0.0015
RSD(%) 1.94 5.10 4.06 5.77 5.10 6.75
Accuracy(%) 104.6 109.8 86.9 78.1 93.1 113.3
QC2inter Mean 16828.0 406.0 7584.2 6906.4 18.8 28.7
SD 0.026 0.51 0.13 0.087 0.0028 0.0018
RSD(%) 3.83 3.93 3.09 6.75 3.92 9.90
Accuracy(%) 106.4 111.7 89.4 77.8 87.8 114.3
QC3inter Mean 10472.9 249.6 4764.9 4138.9 11.3 16.0
SD 0.019 0.33 0.13 0.054 0.0013 0.00044
RSD(%) 4.26 2.45 1.96 7.32 2.45 4.70
Accuracy(%) 111.6 115.6 92.7 82.6 88.0 116.7