Nominal concentration (µg/mL)

Precision (RSD %)*

 

 

Intraday

Interday

 

P1

M2

P

M

0.55

1.17

0.91

1.3

1.96

0.9

0.96

0.86

0.93

1.74

1.1

0.68

0.46

0.29

0.4


*RSD = Relative standard deviation, 1P = Pioglitazone, 2M = Metformin
Table 1: Intraday and interday Precision for analysis of pioglitazone and metformin in human plasma (n=6).
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