Table 2 Inter-day and intra-day accuracy and precision studies of the developed method

Accuracy and inter-day precision studies (n = 18)

CA

Accuracy (%bias)

6.50

0.70

− 6.79

− 3.49

Precision (%CV)

9.85

9.57

3.65

4.25

CDCA

Accuracy (%bias)

− 2.46

− 4.43

− 7.10

− 3.32

Precision (%CV)

12.86

9.25

5.31

4.48

DCA

Accuracy (%bias)

9.20

4.60

− 5.63

− 1.92

Precision (%CV)

8.68

6.70

5.11

3.04

GDCA

Accuracy (%bias)

7.40

4.60

− 7.27

− 2.10

Precision (%CV)

12.62

7.74

4.36

3.85

TDCA

Accuracy (%bias)

0.20

− 4.13

− 5.40

− 3.22

Precision (%CV)

13.07

8.44

5.07

3.24

Tα-MCA

Accuracy (%bias)

− 2.11

− 1.36

− 8.77

− 5.88

Precision (%CV)

14.23

8.12

4.84

3.63

Tβ-MCA

Accuracy (%bias)

4.00

− 3.37

− 8.66

− 4.20

Precision (%CV)

11.62

10.48

4.72

3.35

Accuracy and intra-day precision studies (n = 12)

CA

Accuracy (%bias)

1.40

6.30

− 6.49

− 3.25

Precision (%CV)

10.42

10.16

5.73

4.60

CDCA

Accuracy (%bias)

1.20

− 5.21

− 7.88

− 5.47

Precision (%CV)

12.47

8.43

6.93

4.18

DCA

Accuracy (%bias)

5.20

7.10

− 5.87

− 5.07

Precision (%CV)

11.60

9.32

4.69

6.56

GDCA

Accuracy (%bias)

13.5

8.60

− 7.22

− 3.29

Precision (%CV)

5.69

4.53

6.56

5.70

TDCA

Accuracy (%bias)

− 5.45

− 5.58

− 5.79

− 4.29

Precision (%CV)

12.25

6.94

5.28

3.14

Tα-MCA

Accuracy (%bias)

− 0.91

− 3.05

− 7.02

− 4.13

Precision (%CV)

11.30

6.48

5.52

4.10

Tβ-MCA

Accuracy (%bias)

6.50

− 1.83

− 8.29

− 4.33

Precision (%CV)

10.68

7.48

5.59

3.89