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Table 3 Intra-day and inter-days precision and accuracy for determination of nifedipine in spiked human plasma

From: Development and validation of LC/MS/MS method for the simultaneous determination of montelukast, gliclazide, and nifedipine and its application to a pharmacokinetic study

  Theoretical concentration (ng/mL)
Parameters Intra-day reproducibility Inter-days reproducibility
10 20 40 80 100 200 600 10 20 40 80 100 200 600
Concentration found (ng/mL)
Mean 8.35 21.33 44.09 83.93 101.1 203.63 634.48 10.51 20.01 39.16 91.17 114.82 227.41 664.38
Precision 4.21 10.55 6.69 8.09 4.2 2.76 1.45 8.84 5.7 15.54 14.52 4.86 1.82 2.47
Accuracy (%) 83.46 106.67 110.22 104.91 101.1 101.82 105.75 105.08 100.04 97.9 113.96 114.82 113.7 110.73