Spiked concentration (ng/mL) Relative recovery (%) Absolute recovery (%)
5 95.17 ± 3.62 83.92 ± 4.31
50 96.62 ± 1.17 85.53 ± 2.26
150 94.83 ± 1.89 88.26 ± 1.87
Data were expressed as mean ± SD (n = 5)
Table 3: The recovery of nifedipine in human plasma samples.