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Table 2 Validation results

From: Validation of an LC-MS/MS method to determine five immunosuppressants with deuterated internal standards including MPA

Analyte

Measuring Range (ng/ml)

MPA: μg/ml

n = 3

LOQ, CV (%)

Accuracy

(%)

n = 5

Sample Conc.

(ng/ml)

MPA: μg/ml

Intra Assay Precision

(%)

n = 5

Inter Assay Precision (%)

n = 20

Accuracy (%)

Intra/Inter

Assay

Cyclosporine A

2 - 1250

3.7

2

7.4

7.1

125/113

 

r2= 0.997

104

100

2.3

2.9

104/106

   

500

0.9

2.5

106/105

Tacrolimus

0.5 - 42.2

7.5

0.5

12.3

9.1

138/100

 

r2= 0.998

108

10

3.7

4.9

116/99

   

20

3.8

4.5

111/98

Sirolimus

0.62 - 49.2

4.6

1

12.0

11.5

125/107

 

r2= 0.999

106

10

5.1

5.0

100/102

   

20

5.0

4.9

108/102

Everolimus

0.53 - 40.8

6.4

1

14.7

12.5

89/90

 

r2= 0.999

118

10

2.9

6.9

97/96

   

20

5.1

5.7

102/97

MPA

0.01 - 7.5

7.0

0.02

11.0

9.8

97/102

 

r2= 0.999

105

0.2

1.3

3.2

97/97

   

5

1.6

3.0

102/99

  1. (LOQ: low limit of quantification, CV: variation coefficient)