Amount of Drug added (µg/ml)

Amount of Pioglitazone found (µg/ml)

Accuracy

Amount of Metformin found (µg/ml)

Accuracy

0.55

 

0.56

102.39

0.58

104.98

0.56

102.52

0.58

105.09

0.56

102.30

0.58

105.98

0.56

102.50

0.58

105.36

0.56

102.66

0.58

105.57

0.57

102.77

0.57

104.14

Average

 

102.52

 

105.19

0.9

0.88

98.14

0.88

97.40

0.88

97.81

0.88

98.22

0.88

97.74

0.88

97.62

0.89

99.02

0.88

97.57

0.88

97.92

0.88

97.60

0.88

97.25

0.87

96.25

Average

 

97.98

 

97.45

1.1

1.06

96.10

1.11

100.77

1.06

96.41

1.10

99.93

1.06

96.28

1.09

98.95

1.05

95.72

1.09

99.08

1.05

95.79

1.08

98.49

1.06

96.29

1.11

100.56

Average

 

96.10

 

99.63

Table 2: Accuracy of pioglitazone and metformin in human plasma (n=6).
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