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.