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Table 3 Interobsever precision and accuracy

From: Performance characteristics between TDx®FLx and TBA™-25FR for the therapeutic drug monitoring of methotrexate

Interobsever (n = 10)
Spiked MTX concentration (μmol/L) TDX/FLX TBA-25FR
Measured concentration (μmol/L) (mean ± S.D.) Accuracy (%) CV (%) Measured concentration (μmol/L) (mean ± S.D.) Accuracy (%) CV (%)
0.07 0.067 ± 0.005 95.7 7.9 0.103 ± 0.012 147.1 11.6
0.4 0.40 ± 0.021 100 5.3 0.43 ± 0.021 107.5 4.8
0.8 0.80 ± 0.052 100 6.4 0.96 ± 0.053 120 5.5