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Table 2 Inter-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 0.049 0.006 11.62 −1.60%
2 0.12 0.113 0.011 9.78 −5.67%
3 0.43 0.418 0.019 4.55 −2.88%
4 0.82 0.799 0.032 4.11 −2.59%
  1. N = 25, Unit: μmol/L