Nominal Concentration (ng/mL) Found concentration (ng/mL) Precision RSD (%) Accuracy RE (%)
5 5.24 ± 0.23 4.48 4.83
50 51.69 ± 2.84 5.50 3.38
150 153.2 ± 6.57 4.29 2.13
Data were expressed as mean ± SD (n = 5)
Table 1: The intra-day precision and accuracy of nifedipine in human plasma samples for validation.