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Table 1 Intra-day Imprecision for Modified MTX Assay

From: Modified enzyme multiplied immunoassay technique of methotrexate assay to improve sensitivity and reduce cost

Level Target Mean SD %CV %Bias
1 0.05 0.050 0.004 9.43 < 0.01
2 0.12 0.121 0.010 8.22 0.83%
3 0.43 0.428 0.021 5.02 −0.47%
4 0.82 0.817 0.026 3.22 −0.37%
  1. N = 10, Unit: μmol/L