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Table 3 Results of an EP-15 analytical imprecision verification of both the RMP and the DCM

From: An LC–MS-based designated comparison method with similar performance to the Lp(a) reference measurement procedure to guide molar Lp(a) standardization

Sample

Peptide

Average (nmol/L)

CV wr (%)

CV br (%)

CV wl (%)

TEa (%)

Reference Measurement Procedure*

 1

GISSTVTGR

42.9

7.7

4.6

9.0

11.9

 2

GISSTVTGR

7.4

14.4

13.6

19.8

18.7

 3

GISSTVTGR

13.6

10.3

6.3

12.1

15.8

 4

GISSTVTGR

234

8.1

6.7

10.5

8.4

 5

GISSTVTGR

292

7

4.0

8.1

7.8

 1

LFLEPTQADIALLK

46.7

7.3

5.0

8.9

11.9

 2

LFLEPTQADIALLK

8

5.8

5.0

7.7

18.7

 3

LFLEPTQADIALLK

14.9

8.8

6.5

10.9

15.8

 4

LFLEPTQADIALLK

238

7.7

3.5

8.4

8.4

 5

LFLEPTQADIALLK

344

6.6

5.7

8.7

7.8

Designated Comparison Method

 1

GISSTVTGR

4

29.7

0.0

29.7

21.3

 2

GISSTVTGR

6

25.6

9.9

28.0

20.3

 3

GISSTVTGR

7

19.6

0.0

19.6

18.7

 4

GISSTVTGR

94

9.3

0.0

9.3

10

 5

GISSTVTGR

55

13.5

0.0

13.5

11.3

 1

LFLEPTQADIALLK

5

14.8

4.3

15.4

21.3

 2

LFLEPTQADIALLK

6

13.8

0.0

13.8

20.3

 3

LFLEPTQADIALLK

8

12.1

1.3

12.2

18.7

 4

LFLEPTQADIALLK

102

5.9

3.7

7.0

10

 5

LFLEPTQADIALLK

59

5.6

4.6

7.3

11.3

  1. *Data from Ruhaak et al. Clin Chem 2023[10]